Solutions · Math book for grade 2

Review up to 20

· Fill in the plus tables Solution

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· Plus and minus mixed Solution

3+4=7

5+6=11

7+7=14

8−3=5

12−4=8

15−5=10

6+9=15

11+6=17

9+4=13

14−6=8

16−7=9

19−8=11

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· Euli made a mistake Solution

4+7=11

13−5=7→8

9+6=14→15

18−9=9

5+8=13

14−6=9→8

7+9=16

16−8=8

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· Twenty frame: spot it fast Solution

· Magic triangles - sum 12 Solution

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· Find the date in the calendar Solution

1. 8

2. 13

3. 5

4. 15

5. 19

6. 9

· Calculate across the ten - addition Solution

7 + 6 = 7 + 3 + 3 = 10 + 3 = 13

8 + 7 = 8 + 2 + 5 = 10 + 5 = 15

9 + 5 = 9 + 1 + 4 = 10 + 4 = 14

6 + 8 = 6 + 4 + 4 = 10 + 4 = 14

8 + 5 = 8 + 2 + 3 = 10 + 3 = 13

9 + 7 = 9 + 1 + 6 = 10 + 6 = 16

7 + 8 = 7 + 3 + 5 = 10 + 5 = 15

6 + 9 = 6 + 4 + 5 = 10 + 5 = 15

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· Bridge across the ten - addition Solution

9 + 3: 9 +1 → 10 +2 → 12

7 + 4: 7 +3 → 10 +1 → 11

8 + 8: 8 +2 → 10 +6 → 16

9 + 6: 9 +1 → 10 +5 → 15

5 + 8: 5 +5 → 10 +3 → 13

4 + 9: 4 +6 → 10 +3 → 13

6 + 5: 6 +4 → 10 +1 → 11

9 + 8: 9 +1 → 10 +7 → 17

· Minus table Solution

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· Twenty frame: calculating over ten Solution

6+4+3=13

5+5+4=14

8+2+2=12

7+3+4=14

5+5+1=11

8+2+4=14

· How many are there together? Solution

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· Find the right path! Solution

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· Magic square - sum 15 Solution

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· Number squares up to 20 Solution

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· Number wheel - adding Solution

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· Arrow arithmetic Solution

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· Secret wizard writing Solution

🔮 = 9🐉 = 4🗝️ = 7🍄 = 3

🔮+🐉=13

🗝️+🍄=10

🐉+🗝️=11

🔮−🍄=6

🗝️−🐉=3

🔮−🗝️=2

🔮+🍄=12

🗝️+🐉=11

🔮−🐉=5

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· Twenty frame: draw and count Solution

· Escape the dungeon! Solution

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· On the playground Solution

1. 13
2. 8
3. 16
4. 7
5. 13

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· Mixed table (plus and minus) Solution

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· Color the numbers Solution

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· Boss level: review up to 20 Solution

8,10,18
9,11,20
4,6,10,14,19
7,4,11,13,17

Numbers up to 100

· Adding whole tens Solution

10+20=30

30+40=70

50+10=60

20+30=50

20+70=90

20+20=40

30+50=80

60+30=90

40+20=60

50+50=100

40+40=80

60+40=100

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· Double in the table Solution

2	5	8	10	12	15
4	10	16	20	24	30

3	6	9	11	14	26
6	12	18	22	28	52

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· Counting by 2s Solution

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· Another plus table Solution

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· Magic square - sum 24 Solution

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· Time spans and units Solution

1. 60
2. 24
3. 30
4. 45
5. 7

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· Easy caterpillars Solution

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· Find the secret card Solution

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· How to read the clock Solution

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· Adding ones Solution

61+3=64

57+2=59

83+1=84

14+5=19

36+2=38

47+1=48

52+4=56

78+1=79

93+2=95

25+3=28

41+6=47

66+2=68

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· Double in the table Solution

17	19	20	22	28	29
34	38	40	44	56	58

4	7	10	13	16	27
8	14	20	26	32	54

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· The hundred chart Solution

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· Find the neighbors! Solution

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· Minus table Solution

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· Neighbor problems - clever calculating Solution

1. 41
2. 49
3. 61
4. 31
5. 43

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· Counting by 3s Solution

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· Sorting numbers Solution

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· The number tree grows Solution

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· Two-digit plus one-digit Solution

23+5=28

34+4=38

51+7=58

42+6=48

65+3=68

78+2=80

16+3=19

87+2=89

64+5=69

53+6=59

71+8=79

92+7=99

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· Halve in the table Solution

4	8	10	14	18	20
2	4	5	7	9	10

6	12	16	22	24	52
3	6	8	11	12	26

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· The wizard and the owl share stars Solution

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· Build up the wall! Solution

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· Plus table: sums on the right and below Solution

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· More plus tables Solution

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· With tens Solution

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· Tens and fives in the flower Solution

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· Number wheel - subtracting Solution

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· Nine and eleven more and less Solution

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· Double in the table Solution

16	21	25	30	34	40
32	42	50	60	68	80

18	23	27	32	36	44
36	46	54	64	72	88

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· Two-digit plus two-digit Solution

74+15=89

53+25=78

81+12=93

45+24=69

67+21=88

32+65=97

62+23=85

41+35=76

58+41=99

43+25=68

84+11=95

36+43=79

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· Sorting numbers once more Solution

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O 'clock and half-past times Solution

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· Minus table up to 100 Solution

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· Math stories Solution

1. 46
2. 32
3. 23
4. 75
5. 25

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· Magic square - sum 30 Solution

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· Ingredients for the dungeon pot Solution

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· Calculate with the cards Solution

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· Plus up to 100 - find the result Solution

24+35=59

47+28=75

68+19=87

36+44=80

71+26=97

18+56=74

41+38=79

29+47=76

15+23=38

32+41=73

26+38=64

49+16=65

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· Break into tens and ones Solution

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· Halve in the table Solution

40	50	60	70	80	90
20	25	30	35	40	45

44	54	66	72	86	96
22	27	33	36	43	48

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· Neighbor numbers Solution

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· Fill in the missing numbers! Solution

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· Complete the hundred chart Solution

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· Compare the numbers Solution

34<43

67=67

89>78

45<54

100>99

23<32

71=71

56<65

80>79

38<83

19<91

64>46

52>25

61<71

77=77

48<84

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· Counting by 5s and 10s Solution

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· Add in the golem pyramid Solution

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· Rounding to tens Solution

34≈30

78≈80

52≈50

86≈90

17≈20

65≈70

23≈20

91≈90

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· Addition across the ten Solution

38 + 6 = 38 + 2 + 4 = 10 + 4 = 44

47 + 8 = 47 + 3 + 5 = 10 + 5 = 55

69 + 7 = 69 + 1 + 6 = 10 + 6 = 76

85 + 9 = 85 + 5 + 4 = 10 + 4 = 94

26 + 5 = 26 + 4 + 1 = 10 + 1 = 31

57 + 7 = 57 + 3 + 4 = 10 + 4 = 64

74 + 8 = 74 + 6 + 2 = 10 + 2 = 82

63 + 9 = 63 + 7 + 2 = 10 + 2 = 72

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· Plus up to 100 - what is missing? Solution

27+53=80

34+36=70

18+47=65

42+48=90

55+33=88

23+49=72

36+45=81

49+46=95

17+43=60

24+54=78

31+19=50

34+58=92

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· Color the numbers Solution

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· Double in the table Solution

24	33	38	42	47	50
48	66	76	84	94	100

26	35	39	41	46	49
52	70	78	82	92	98

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· Double the number! Solution

20+20=40

45+45=90

50+50=100

30+30=60

15+15=30

40+40=80

35+35=70

25+25=50

32+32=64

10+10=20

14+14=28

5+5=10

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· Estimating: round first, then work it out in your head Solution

38 + 51 ≈90

74 - 29 ≈50

21 + 48 ≈70

89 - 42 ≈50

56 + 23 ≈80

85 - 38 ≈50

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· How much does this cost altogether? Solution

1. $6

2. $12

3. $11

4. $15

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· Pick the right cards Solution

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· Subtracting whole tens Solution

50−20=30

70−30=40

80−40=40

60−10=50

90−50=40

90−30=60

40−20=20

80−60=20

70−40=30

80−70=10

90−20=70

60−40=20

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· Halve the number! Solution

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· Sharing whole tens fairly Solution

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· Find the missing numbers! Solution

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· Plus table: bigger numbers Solution

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· Halve in the table Solution

32	40	48	56	64	70
16	20	24	28	32	35

36	44	52	60	68	98
18	22	26	30	34	49

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· Tricky caterpillars Solution

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· Adding up containers Solution

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· The secret card with minus Solution

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· Subtracting ones Solution

74−3=71

86−5=81

96−4=92

78−6=72

95−2=93

83−3=80

97−1=96

79−7=72

88−2=86

87−5=82

91−1=90

99−8=91

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· Inverse problems Solution

35 + 20 = 55

55 − 20 = 35

55 − 35 = 20

42 + 18 = 60

60 − 18 = 42

60 − 42 = 18

54 + 23 = 77

77 − 23 = 54

77 − 54 = 23

28 + 45 = 73

73 − 45 = 28

73 − 28 = 45

36 + 27 = 63

63 − 27 = 36

63 − 36 = 27

49 + 31 = 80

80 − 31 = 49

80 − 49 = 31

25 + 14 = 39

39 − 14 = 25

39 − 25 = 14

38 + 26 = 64

64 − 26 = 38

64 − 38 = 26

17 + 52 = 69

69 − 52 = 17

69 − 17 = 52

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· Steps of five Solution

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· Big plus table Solution

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· Breaking numbers apart Solution

43 + 25 =

= 40 + 20 + 3 + 5

= 60 + 8

= 68

34 + 52 =

= 30 + 50 + 4 + 2

= 80 + 6

= 86

51 + 36 =

= 50 + 30 + 1 + 6

= 80 + 7

= 87

62 + 27 =

= 60 + 20 + 2 + 7

= 80 + 9

= 89

45 + 34 =

= 40 + 30 + 5 + 4

= 70 + 9

= 79

73 + 15 =

= 70 + 10 + 3 + 5

= 80 + 8

= 88

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· How much money is here? Solution

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· Which bills and coins do you need? Solution

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· Quarter hours Solution

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· Two-digit minus two-digit Solution

56−23=33

78−34=44

89−25=64

67−32=35

94−51=43

75−14=61

83−61=22

99−36=63

68−17=51

87−62=25

72−30=42

96−55=41

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· What time is it later? Solution

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· Magic triangles with multiples of five Solution

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· Another number tree Solution

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· Shopping Solution

1. 62
2. 52
3. 27
4. 30
5. 28

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· Magic square - sum 45 Solution

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· Playground games Solution

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· Certain, possible or impossible? Solution

I draw a filled marble.possible

I draw a dotted marble.impossible

I draw a filled or an empty marble.certain

I draw an empty marble.possible

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· Who am I? Solution

I am bigger than 30.
I am smaller than 40.
I am even.
My ones digit is 4.

Solution: 34

I am smaller than 60.
I am bigger than 50.
I am odd.
My ones digit is 7.

Solution: 57

I am a whole ten.
I am bigger than 50.
I am smaller than 80.
Half of me is 35.

Solution: 70

I am bigger than 80.
I am smaller than 90.
I am even.
My ones digit is 6.

Solution: 86

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· Minus up to 100 - find the result Solution

78−25=53

92−47=45

64−38=26

85−29=56

71−28=43

53−18=35

88−49=39

67−39=28

95−61=34

76−35=41

82−55=27

69−23=46

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· Number squares: bigger numbers Solution

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· Building robots Solution

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· Find the way! Solution

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· Which ingredients match the cauldron? Solution

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· Nineteen and twenty-one Solution

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· Tens table: left plus top Solution

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· How many tens, how many ones? Solution

23=

T	O
2	3

47=

T	O
4	7

65=

T	O
6	5

92=

T	O
9	2

89=

T	O
8	9

41=

T	O
4	1

💡 Help with this task

· Wizard writing for beginners Solution

🔮 = 14🔔 = 22🗝️ = 31🍄 = 12

🔮+🔔=36

🗝️+🍄=43

🔔+🗝️=53

🗝️−🍄=19

🔔−🔮=8

🍄+🔮=26

🗝️−🔮=17

🔔+🍄=34

🗝️+🔮=45

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· Writing numbers up to 100 Solution

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· Color the number on the poles Solution

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· Twenty-four and twenty-six Solution

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· Build the number from T and O Solution

T	O
2	5

= 25

T	O
4	3

= 43

T	O
6	9

= 69

T	O
8	7

= 87

T	O
3	1

= 31

T	O
5	4

= 54

T	O
7	0

= 70

T	O
9	6

= 96

T	O
1	8

= 18

T	O
4	2

= 42

T	O
6	1

= 61

T	O
8	4

= 84

T	O
2	8

= 28

T	O
5	7

= 57

T	O
3	6

= 36

T	O
9	3

= 93

T	O
7	2

= 72

T	O
1	5

= 15

T	O
6	4

= 64

T	O
9	8

= 98

💡 Help with this task

· Minus up to 100 - what is missing? Solution

80−45=35

75−47=28

90−43=47

64−42=22

88−35=53

72−36=36

95−38=57

81−54=27

60−26=34

77−48=29

86−23=63

93−49=44

💡 Help with this task

· Putting together Solution

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· Numerion swaps tens and ones Solution

62→26

47→74

35→53

81→18

29→92

56→65

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· Numerion bundles the ones Solution

4 tens and 13 ones =53

2 tens and 17 ones =37

5 tens and 11 ones =61

3 tens and 19 ones =49

6 tens and 12 ones =72

1 ten and 18 ones =28

7 tens and 14 ones =84

4 tens and 16 ones =56

2 tens and 15 ones =35

5 tens and 18 ones =68

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· Counting hits in the table Solution

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· Cards up to 100 Solution

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· One number is missing - which one? Solution

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· Filling in numbers Solution

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· Compare the calculations Solution

25 + 35>70 − 15

90 − 40<30 + 25

60 + 10=30 + 40

100 − 40=30 + 30

80 − 30>20 + 25

70 − 10>50 + 5

40 + 40<90 − 5

55 + 15<90 − 15

45 + 5=60 − 10

30 + 20<40 + 15

75 − 30<25 + 25

85 − 25>20 + 35

💡 Help with this task

· Find the numbers Solution

Find all numbers with 4 ones

Find all numbers with 7 tens

Find all numbers with 9 ones

Find all numbers with 3 tens

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· Sort from smallest to largest! Solution

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· Rounding to tens Solution

43≈40

29≈30

94≈90

58≈60

71≈70

85≈90

36≈40

12≈10

💡 Help with this task

· Who am I? Four more riddles Solution

I am bigger than 40.
I am smaller than 50.
I am even.
My ones digit is 4.

Solution: 44

I am a whole ten.
I am bigger than 80.
I am smaller than 100.
Half of me is 45.

Solution: 90

I am bigger than 70.
I am smaller than 80.
I am odd.
My ones digit is 3.

Solution: 73

I am bigger than 20.
I am smaller than 30.
I am even.
My ones digit is 8.

Solution: 28

💡 Help with this task

· What is missing? Solution

86−32=54

64−23=41

79−43=36

89−34=55

97−35=62

68−41=27

58−45=13

69−52=17

94−23=71

59−16=43

67−42=25

56−35=21

💡 Help with this task

· Hundred chart with patterns Solution

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· Counting by 11s Solution

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· Swap problems in addition Solution

23+45=68↔45+23=68

17+36=53↔36+17=53

30+52=82↔52+30=82

15+28=43↔28+15=43

41+19=60↔19+41=60

26+53=79↔53+26=79

34+48=82↔48+34=82

12+57=69↔57+12=69

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· The golem calculates up to 100 Solution

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· Easy chains Solution

34+40−10=64

50−20+15=45

40+25−30=35

60−35+20=45

30+40−15=55

70−30+12=52

45+20−15=50

80−40+25=65

💡 Help with this task

· Subtraction across the ten Solution

35 − 9 = 35 − 5 − 4 = 10 − 4 = 26

42 − 5 = 42 − 2 − 3 = 10 − 3 = 37

54 − 6 = 54 − 4 − 2 = 10 − 2 = 48

73 − 8 = 73 − 3 − 5 = 10 − 5 = 65

61 − 4 = 61 − 1 − 3 = 10 − 3 = 57

86 − 7 = 86 − 6 − 1 = 10 − 1 = 79

24 − 6 = 24 − 4 − 2 = 10 − 2 = 18

93 − 5 = 93 − 3 − 2 = 10 − 2 = 88

💡 Help with this task

· Continue the number pattern Solution

66,68,70
87,89,91
96,98,100

💡 Help with this task

· Double the number! Solution

26+26=52

18+18=36

23+23=46

35+35=70

33+33=66

27+27=54

31+31=62

42+42=84

48+48=96

13+13=26

17+17=34

21+21=42

💡 Help with this task

· Estimating: which result comes closest? Solution

47 + 32 ≈80

93 - 58 ≈30

19 + 63 ≈80

62 - 27 ≈30

74 + 18 ≈90

66 - 39 ≈30

💡 Help with this task

· Halve the number! Solution

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· Tricky sharing Solution

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· Tall walls Solution

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· Tricky chains Solution

25+18−13=30

42−17+25=50

63+12−35=40

34+28−19=43

50−23+38=65

71−34+15=52

18+45−27=36

89−42+16=63

💡 Help with this task

· Sort from largest to smallest! Solution

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· Big number square Solution

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· How much change? Solution

1. $2

2. $11

3. $1

4. $9

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· Long caterpillar Solution

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· Two cards, one target Solution

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· Number houses Solution

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· Halve in the table Solution

58	66	74	78	90	100
29	33	37	39	45	50

46	54	62	76	88	96
23	27	31	38	44	48

💡 Help with this task

· Plus table up to 100 Solution

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· Find the inverse problem Solution

80 − 35 = 45

45 + 35 = 80

35 + 45 = 80

67 − 24 = 43

43 + 24 = 67

24 + 43 = 67

91 − 46 = 45

45 + 46 = 91

46 + 45 = 91

75 − 38 = 37

37 + 38 = 75

38 + 37 = 75

84 − 29 = 55

55 + 29 = 84

29 + 55 = 84

96 − 47 = 49

49 + 47 = 96

47 + 49 = 96

58 − 19 = 39

39 + 19 = 58

19 + 39 = 58

72 − 28 = 44

44 + 28 = 72

28 + 44 = 72

89 − 33 = 56

56 + 33 = 89

33 + 56 = 89

💡 Help with this task

· Three containers together Solution

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· Big minus table Solution

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· Steps of seven Solution

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· Crossing the ten Solution

56 + 38 =

= 50 + 30 + 6 + 8

= 80 + 14

= 94

47 + 29 =

= 40 + 20 + 7 + 9

= 60 + 16

= 76

69 + 24 =

= 60 + 20 + 9 + 4

= 80 + 13

= 93

58 + 27 =

= 50 + 20 + 8 + 7

= 70 + 15

= 85

37 + 46 =

= 30 + 40 + 7 + 6

= 70 + 13

= 83

65 + 27 =

= 60 + 20 + 5 + 7

= 80 + 12

= 92

💡 Help with this task

· Rule houses Solution

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· Dollars before the point, cents after Solution

1. $3 and 78¢

2. $2 and 67¢

3. $4 and 74¢

4. $5 and 89¢

💡 Help with this task

· Counting lots of money Solution

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· Make the amounts Solution

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· To the exact minute Solution

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· Subtracting in steps Solution

78 − 23 =

= 78 − 20 − 3

= 58 − 3

= 55

69 − 34 =

= 69 − 30 − 4

= 39 − 4

= 35

84 − 37 =

= 84 − 30 − 7

= 54 − 7

= 47

63 − 29 =

= 63 − 20 − 9

= 43 − 9

= 34

82 − 38 =

= 82 − 30 − 8

= 52 − 8

= 44

95 − 49 =

= 95 − 40 − 9

= 55 − 9

= 46

💡 Help with this task

· Calculating with the calendar Solution

1. 15

2. 22

3. 7

4. 5

💡 Help with this task

· Euli calculates up to 100 Solution

24+30=54

67−25=41→42

36+27=63

80−35=45

49+18=57→67

92−47=45

55+38=83→93

73−28=55→45

💡 Help with this task

· What time is it then? Solution

💡 Help with this task

· Magic triangles with multiples of six Solution

💡 Help with this task

· Rule houses with minus Solution

💡 Help with this task

· Prices with a decimal point Solution

1. $1 and 28¢

2. $2 and 40¢

3. $3 and 18¢

4. $4 and 30¢

5. $5 and 40¢

6. $6 and 10¢

7. $7 and 24¢

8. $8 and 10¢

💡 Help with this task

· Tricky problems Solution

1. 61
2. 57
3. 44
4. 52
5. 24

💡 Help with this task

· Magic square - sum 15 Solution

💡 Help with this task

· Building more robots Solution

💡 Help with this task

· Number magic in the grid Solution

💡 Help with this task

· Secret wizard writing up to 100 Solution

🌟 = 25🌙 = 40⚡ = 18🦉 = 33

🌟+🌙=65

🦉+⚡=51

🌙+🦉=73

🌟+🌟=50

🌙−⚡=22

🦉−🌟=8

🌟+⚡=43

🦉+🌟=58

🦉−⚡=15

💡 Help with this task

· Spider wheel - addition Solution

💡 Help with this task

A triple portion up to 100 Solution

🐲Dragon Potion36🔥75🪨93💎

🦉Owl Potion63🪶45🌙90⭐

🌟Star Potion33⭐96🌙60☄️

⛰️Mountain Potion66🪨39💎30❄️

🌊Wave Potion99🐚42🐠72💧

🌳Forest Potion48🍃69🌰93🍄

💡 Help with this task

· Another number riddle Solution

I have 8 tens.
My ones digit is 3.
I am bigger than 80.
I am odd.

Solution: 83

My tens digit is twice as big as my ones digit.
I am smaller than 50.
I am bigger than 40.
I am even.

Solution: 42

I am the sum of 35 and 27.
I am even.
I have 6 tens.
My ones digit is 2.

Solution: 62

I am the difference between 90 and 15.
I am odd.
I am bigger than 70.
My ones digit is 5.

Solution: 75

💡 Help with this task

· Stamps in the class Solution

💡 Help with this task

· Number squares up to 100 Solution

💡 Help with this task

· Find the way through the dungeon! Solution

💡 Help with this task

· Bag: certain, possible or impossible? Solution

I draw an empty or a filled marble.certain

I draw a striped marble.impossible

I draw two filled marbles one after the other.possible

I draw an empty marble first, then a filled one.possible

💡 Help with this task

· Even trickier! Solution

💡 Help with this task

A tricky ingredient hunt for the cauldron Solution

💡 Help with this task

· More chains Solution

25+35−18=42

60−27+13=46

45+28−33=40

72−38+21=55

34+46−28=52

88−39+11=60

27+36−24=39

81−45+18=54

💡 Help with this task

· Breaking apart bigger numbers Solution

49 + 29 =

= 40 + 20 + 9 + 9

= 60 + 18

= 78

48 + 36 =

= 40 + 30 + 8 + 6

= 70 + 14

= 84

67 + 19 =

= 60 + 10 + 7 + 9

= 70 + 16

= 86

59 + 29 =

= 50 + 20 + 9 + 9

= 70 + 18

= 88

58 + 37 =

= 50 + 30 + 8 + 7

= 80 + 15

= 95

78 + 18 =

= 70 + 10 + 8 + 8

= 80 + 16

= 96

💡 Help with this task

· Boss level: numbers up to 100 Solution

30,36,66
40,42,82
27,22,49,60,82
28,26,54,61,85

Weights, lengths and shapes

· Solid shapes and their properties Solution

How many corners does a cube have?8

How many edges does a cube have?12

How many faces does a cube have?6

How many corners does a box have?8

How many corners does a pyramid with a square base have?5

How many corners does a sphere have?0

💡 Help with this task

· Draw the mirror image Solution

💡 Help with this task

· Continue the pattern! Solution

💡 Help with this task

· Adding up three dice Solution

💡 Help with this task

· Adding blocks up Solution

💡 Help with this task

· Reading dominoes Solution

💡 Help with this task

· Meters and centimeters Solution

1. 60 cm
2. 170 cm
3. 25 cm
4. 200 cm
5. 300 cm

💡 Help with this task

· How long is the line? Solution

3 cm

5 cm

7 cm

4 cm

8 cm

6 cm

10 cm

9 cm

💡 Help with this task

· Estimating length Solution

A pencil is about ≈18 cm

A door is about ≈2 m

A ruler is about ≈30 cm

💡 Help with this task

· Calculating with weights Solution

1. 350 g
2. 2000 g
3. 44 kg
4. 2 kg
5. 1000 g

💡 Help with this task

· Heavier, lighter or equal? Solution

3 kg>2000 g

1 kg>900 g

250 g<1 kg

2 kg=2000 g

2 kg>1 kg

800 g<1 kg

500 g<2 kg

3 kg>500 g

💡 Help with this task

· Complete the mirror images Solution

💡 Help with this task

· Bars in centimeters Solution

💡 Help with this task

· Word problems with quantities Solution

1. 20 kg
2. 600 g
3. 700 ml
4. 3 l
5. 60 l

💡 Help with this task

· Estimating weight Solution

An apple weighs about ≈200 g

An egg weighs about ≈60 g

A bar of chocolate weighs about ≈100 g

💡 Help with this task

· Follow the path to Numerion Solution

💡 Help with this task

· Converting meters and centimeters Solution

1 m =100cm

100 cm =1m

2 m =200cm

200 cm =2m

3 m =300cm

500 cm =5m

4 m =400cm

700 cm =7m

5 m =500cm

300 cm =3m

6 m =600cm

400 cm =4m

7 m =700cm

600 cm =6m

8 m =800cm

900 cm =9m

💡 Help with this task

· Comparing weights Solution

2 kg>1500 g

1 kg=1000 g

500 g<1 kg

3 kg>1 kg

2 kg>500 g

4 kg=4000 g

750 g<1 kg

3 kg=3000 g

💡 Help with this task

· Harder patterns Solution

💡 Help with this task

· Complete the small mirror images Solution

💡 Help with this task

· Which faces do you need? Solution

Cube

Circle 0

Triangle 0

Square 6

Rectangle 0

Box

Circle 0

Triangle 0

Square 0

Rectangle 6

Pyramid

Circle 0

Triangle 4

Square 1

Rectangle 0

Cylinder

Circle 2

Triangle 0

Square 0

Rectangle 0

Cone

Circle 1

Triangle 0

Square 0

Rectangle 0

Sphere

Circle 0

Triangle 0

Square 0

Rectangle 0

💡 Help with this task

· Which scale fits? Solution

1 kg100 g + 100 g

left heavier

100 g1 kg

right heavier

1 kg500 g + 500 g

Balanced

500 g + 500 g100 g

left heavier

100 g + 100 g1 kg

right heavier

500 g + 500 g1 kg

Balanced

1 kg100 g

left heavier

500 g1 kg

right heavier

💡 Help with this task

· Measuring pencils Solution

💡 Help with this task

· Estimating length: big things Solution

A classroom is about ≈6 m

A soccer field is about ≈100 m

A bus is about ≈12 m

💡 Help with this task

· Continue the tiling Solution

💡 Help with this task

· Converting mixed lengths Solution

6 m 20 cm =620cm

850 cm =8 m 50 cm

2 m 5 cm =205cm

705 cm =7 m 5 cm

7 m 80 cm =780cm

340 cm =3 m 40 cm

4 m 50 cm =450cm

905 cm =9 m 5 cm

8 m 30 cm =830cm

175 cm =1 m 75 cm

3 m 15 cm =315cm

760 cm =7 m 60 cm

5 m 45 cm =545cm

320 cm =3 m 20 cm

2 m 70 cm =270cm

615 cm =6 m 15 cm

💡 Help with this task

· Comparing liters and milliliters Solution

1 l>500 ml

2 l=2000 ml

500 ml<2 l

1500 ml>1 l

3 l>1500 ml

4 l=4000 ml

250 ml<1 l

500 ml<1 l

💡 Help with this task

· Estimating weight: big things Solution

A school backpack weighs about ≈4 kg

A bicycle weighs about ≈15 kg

A grown-up weighs about ≈70 kg

💡 Help with this task

· Which one is a cube net? Solution

💡 Help with this task

· Taking blocks away Solution

💡 Help with this task

· Plus and minus with three dice Solution

💡 Help with this task

· In the grid: columns are letters, rows are numbers Solution

💡 Help with this task

· The path gets longer Solution

💡 Help with this task

· Continue the shape patterns Solution

💡 Help with this task

· Draw the mirror images Solution

💡 Help with this task

· The park Solution

💡 Help with this task

· Dominoes up to 12 Solution

💡 Help with this task

· Properties of shapes Solution

1. 3
2. 4
3. 0
4. 4
5. 5

💡 Help with this task

· Patterns with three shapes Solution

💡 Help with this task

· Boss level: sizes and shapes Solution

20,24,44
30,24,54
16,20,36,45,65
21,16,37,50,75

Charts

· Weather in April Solution

Which weather occurred most often?Sun

How many days did it rain?6

How many days were sunny and cloudy together?20

Which weather occurred least often?Wind

💡 Help with this task

· The class's favorite color Solution

💡 Help with this task

· From the table to the chart Solution

FindNumber

Acorn7

Feather4

Mushroom9

Stone5

💡 Help with this task

· Favorite fruit at recess Solution

Which fruit do most children like?Grape

How many like apple and banana together?14

How many children like apple and grape together?18

Which fruit do the fewest children like?Pear

💡 Help with this task

· Marbles: certain, possible, impossible? Solution

The first marble I draw is filled.possible

I draw a checked marble.impossible

I reach into the bag and hold a marble in my hand.certain

My marble is empty.possible

💡 Help with this task

· Which bar is wrong? Solution

💡 Help with this task

· How do you get to school? Solution

How do most children come?On foot

How many come by bike and car together?16

How many come on foot and by bus together?17

How do the fewest children come?Bus

💡 Help with this task

· Table instead of a chart Solution

13	19	24	28	33	41
26	38	48	56	66	82

15	22	26	31	37	45
30	44	52	62	74	90

💡 Help with this task

· From the table to the chart Solution

FindNumber

Leaf6

Chestnut3

Snail8

Worm2

💡 Help with this task

· Shells collected at the beach Solution

Who collected the most shells?Tim

How many did Lena and Jan collect together?20

How many did Tim and Jan collect together?26

Who collected the fewest shells?Sara

💡 Help with this task

· The School Bus Solution

💡 Help with this task

· The Day-Trip Train Solution

💡 Help with this task

· Favorite animals of class 2b Solution

Which animal received the most votes?Dog

How many votes do cat and bird have together?18

How many votes do dog and rabbit have together?24

Which animal received the fewest votes?Bird

💡 Help with this task

· From the table to the chart Solution

BerryNumber

Raspberry5

Blackberry9

Blueberry6

Strawberry8

Which did Euli collect the most of?Blackberry

How many berries are there in total?28

💡 Help with this task

· Fruit basket at school Solution

How many apples and bananas are there together?24

Which fruit is there the least of?Kiwi

How many pears and kiwis are there together?12

Which fruit is there the most of?Apple

💡 Help with this task

· Books in the reading corner Solution

💡 Help with this task

· Find the wrong bar Solution

💡 Help with this task

· Ice cream flavors sold Solution

Which flavor was sold most often?Chocolate

How many strawberry and lemon ice creams together?22

How many chocolate and vanilla ice creams together?27

Which flavor was sold least often?Lemon

💡 Help with this task

· Draw: certain, possible or impossible? Solution

I draw twice and both times an empty marble.possible

I draw a golden marble.impossible

I draw a round marble.certain

I draw a marble that is filled.possible

💡 Help with this task

· Sports at recess Solution

💡 Help with this task

· From the chart to the table Solution

ColorNumber

red7

blue4

green9

yellow6

💡 Help with this task

· Flowers in the garden Solution

Which flower is there the most of?Tulip

How many roses and carnations together?22

How many tulips and lilies are there together?23

Which flower is there the fewest of?Lily

💡 Help with this task

· Half the values in the table Solution

54	68	76	84	92	98
27	34	38	42	46	49

58	64	72	86	94	96
29	32	36	43	47	48

💡 Help with this task

· Drawing marbles: what is certain? Solution

I draw a marble that is not empty.possible

I draw a marble that is filled or empty.certain

I draw a square marble.impossible

I draw a marble that is not filled.possible

💡 Help with this task

· Boss level: charts Solution

20,21,41
23,27,50
21,17,38,45,75
13,28,41,47,68

Times tables

· The 2 times table Solution

3×2=6

2×2=4

1×2=2

4×2=8

5×2=10

6×2=12

7×2=14

8×2=16

9×2=18

10×2=20

11×2=22

12×2=24

💡 Help with this task

· Keep skip counting Solution

💡 Help with this task

· Small times table Solution

💡 Help with this task

· Multiplying dice Solution

💡 Help with this task

· Spider wheel - multiplying Solution

💡 Help with this task

· The 2 times table as addition Solution

2 + 2 + 2=6→2fits into 63times

2 + 2 + 2 + 2 + 2=10→2fits into 105times

2 + 2 + 2 + 2 + 2 + 2 + 2=14→2fits into 147times

2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2=18→2fits into 189times

💡 Help with this task

· Swap problems in multiplication Solution

2×3=6↔3×2=6

3×4=12↔4×3=12

2×5=10↔5×2=10

4×5=20↔5×4=20

3×6=18↔6×3=18

2×6=12↔6×2=12

3×5=15↔5×3=15

4×6=24↔6×4=24

💡 Help with this task

· Ingredients for the number cauldron Solution

💡 Help with this task

· Times as a dot array Solution

2×3=6

5×4=20

3×5=15

6×2=12

💡 Help with this task

· The 5 times table Solution

1×5=5

2×5=10

3×5=15

4×5=20

5×5=25

6×5=30

7×5=35

8×5=40

9×5=45

10×5=50

11×5=55

12×5=60

💡 Help with this task

· Which numbers are on top? Solution

💡 Help with this task

· Dividing with a remainder Solution

14 : 3 =4 R 2

22 : 7 =3 R 1

17 : 4 =4 R 1

29 : 6 =4 R 5

19 : 2 =9 R 1

33 : 5 =6 R 3

26 : 4 =6 R 2

31 : 4 =7 R 3

💡 Help with this task

· Swapping saves work Solution

2×7=14↔7×2=14

3×6=18↔6×3=18

4×7=28↔7×4=28

2×9=18↔9×2=18

5×6=30↔6×5=30

3×8=24↔8×3=24

4×6=24↔6×4=24

5×7=35↔7×5=35

💡 Help with this task

· Skip counting up to 6 Solution

💡 Help with this task

· The 5 times table as addition Solution

5 + 5 + 5=15→5fits into 153times

5 + 5 + 5 + 5 + 5=25→5fits into 255times

5 + 5 + 5 + 5 + 5 + 5 + 5=35→5fits into 357times

5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5=45→5fits into 459times

💡 Help with this task

· Simple division Solution

10 : 2 =5

10 : 5 =2

12 : 2 =6

12 : 3 =4

12 : 4 =3

15 : 5 =3

16 : 4 =4

18 : 2 =9

20 : 4 =5

20 : 5 =4

25 : 5 =5

14 : 2 =7

💡 Help with this task

· Fill in the skip counts Solution

💡 Help with this task

· The 10 times table Solution

1×10=10

2×10=20

3×10=30

4×10=40

5×10=50

6×10=60

7×10=70

8×10=80

9×10=90

10×10=100

7×10=70

4×10=40

💡 Help with this task

· Core facts with the 5 times table Solution

5 × 4 = 20

1 × 4 = 4

6 × 4 = 24

5 × 4 = 20

2 × 4 = 8

7 × 4 = 28

5 × 8 = 40

1 × 8 = 8

6 × 8 = 48

5 × 8 = 40

2 × 8 = 16

7 × 8 = 56

5 × 6 = 30

1 × 6 = 6

6 × 6 = 36

5 × 6 = 30

2 × 6 = 12

7 × 6 = 42

5 × 3 = 15

1 × 3 = 3

6 × 3 = 18

5 × 3 = 15

2 × 3 = 6

7 × 3 = 21

5 × 9 = 45

1 × 9 = 9

6 × 9 = 54

💡 Help with this task

· Number wheel - multiplying Solution

💡 Help with this task

· Big skip counts Solution

💡 Help with this task

· 2s to 5s Solution

💡 Help with this task

· The 3 times table Solution

1×3=3

2×3=6

3×3=9

4×3=12

5×3=15

6×3=18

7×3=21

8×3=24

9×3=27

10×3=30

11×3=33

12×3=36

💡 Help with this task

· Bigger dot arrays Solution

6×3=18

4×5=20

6×4=24

5×6=30

💡 Help with this task

· Mixed skip counts Solution

💡 Help with this task

· Small multiples Solution

6 + 6 + 6 + 6 + 6=30→6fits into 305times

10 + 10 + 10 + 10=40→10fits into 404times

3 + 3 + 3 + 3 + 3 + 3=18→3fits into 186times

4 + 4 + 4 + 4 + 4 + 4=24→4fits into 246times

💡 Help with this task

· Multiplication stories Solution

1. 24
2. 21
3. 35
4. 20
5. 16

💡 Help with this task

· More division Solution

24 : 3 =8

24 : 4 =6

27 : 3 =9

28 : 4 =7

30 : 5 =6

32 : 4 =8

35 : 5 =7

36 : 4 =9

36 : 6 =6

40 : 5 =8

42 : 6 =7

45 : 5 =9

💡 Help with this task

· Number wheel - the 4 times table Solution

💡 Help with this task

· The 6 times table Solution

1×6=6

2×6=12

3×6=18

4×6=24

5×6=30

6×6=36

7×6=42

8×6=48

9×6=54

10×6=60

11×6=66

12×6=72

💡 Help with this task

· Spider wheel - the 7 times table Solution

💡 Help with this task

· Keep filling the skip counts Solution

💡 Help with this task

· Find the heading numbers Solution

💡 Help with this task

· Magic square - sum 21 Solution

💡 Help with this task

· The 8 times table Solution

1×8=8

2×8=16

3×8=24

4×8=32

5×8=40

6×8=48

7×8=56

8×8=64

9×8=72

10×8=80

11×8=88

12×8=96

💡 Help with this task

· Spider wheel - the 9 times table Solution

💡 Help with this task

· Tricky swap problems Solution

6×8=48↔8×6=48

7×9=63↔9×7=63

8×9=72↔9×8=72

7×8=56↔8×7=56

6×9=54↔9×6=54

6×7=42↔7×6=42

5×9=45↔9×5=45

5×8=40↔8×5=40

💡 Help with this task

· Number wheel - dividing Solution

💡 Help with this task

· Big multiples Solution

5 + 5 + 5 + 5 + 5 + 5=30→5fits into 306times

10 + 10 + 10 + 10 + 10 + 10 + 10 + 10 + 10=90→10fits into 909times

3 + 3 + 3 + 3 + 3 + 3 + 3 + 3 + 3=27→3fits into 279times

4 + 4 + 4 + 4 + 4 + 4 + 4=28→4fits into 287times

💡 Help with this task

· More core facts Solution

5 × 6 = 30

3 × 6 = 18

8 × 6 = 48

5 × 4 = 20

4 × 4 = 16

9 × 4 = 36

5 × 7 = 35

3 × 7 = 21

8 × 7 = 56

5 × 6 = 30

4 × 6 = 24

9 × 6 = 54

5 × 8 = 40

3 × 8 = 24

8 × 8 = 64

5 × 8 = 40

4 × 8 = 32

9 × 8 = 72

5 × 3 = 15

3 × 3 = 9

8 × 3 = 24

5 × 7 = 35

4 × 7 = 28

9 × 7 = 63

5 × 9 = 45

4 × 9 = 36

9 × 9 = 81

💡 Help with this task

· Big times table Solution

💡 Help with this task

· Dividing with a remainder Solution

37 : 5 =7 R 2

46 : 7 =6 R 4

59 : 8 =7 R 3

28 : 9 =3 R 1

61 : 6 =10 R 1

74 : 8 =9 R 2

53 : 6 =8 R 5

68 : 9 =7 R 5

💡 Help with this task

· Square numbers Solution

1×1=1

2×2=4

3×3=9

4×4=16

5×5=25

6×6=36

7×7=49

8×8=64

9×9=81

10×10=100

3×3=9

9×9=81

💡 Help with this task

· Up to 6 times 7 Solution

6×6=36

5×7=35

6×5=30

4×7=28

💡 Help with this task

· Spider wheel - dividing Solution

💡 Help with this task

· Dividing in the times tables Solution

48 : 6 =8

49 : 7 =7

54 : 6 =9

56 : 7 =8

56 : 8 =7

63 : 7 =9

64 : 8 =8

72 : 8 =9

72 : 9 =8

81 : 9 =9

60 : 6 =10

70 : 7 =10

💡 Help with this task

· Division stories Solution

1. 6
2. 7
3. 8
4. 9
5. 10

💡 Help with this task

· Inverse problems for the times tables Solution

6 × 4 = 24

24 + 4 = 6

4 + 24 = 6

7 × 3 = 21

21 + 3 = 7

3 + 21 = 7

8 × 5 = 40

40 + 5 = 8

5 + 40 = 8

9 × 6 = 54

54 + 6 = 9

6 + 54 = 9

4 × 9 = 36

36 + 9 = 4

9 + 36 = 4

7 × 8 = 56

56 + 8 = 7

8 + 56 = 7

5 × 7 = 35

35 + 7 = 5

7 + 35 = 5

8 × 9 = 72

72 + 9 = 8

9 + 72 = 8

9 × 7 = 63

63 + 7 = 9

7 + 63 = 9

💡 Help with this task

· Big times table in reverse Solution

💡 Help with this task

· Mixed times tables Solution

3×6=18

3×7=21

3×8=24

4×7=28

3×9=27

5×6=30

5×7=35

4×8=32

6×7=42

9×11=99

8×12=96

8×11=88

7×12=84

7×11=77

6×12=72

6×11=66

💡 Help with this task

· Boss level: times tables Solution

12,28,40
18,42,60
14,22,36,50,86
21,24,45,63,93

Mixed

A mix of blossoms Solution

💡 Help with this task

· Plus and minus mixed Solution

34+25=59

78−31=47

42+37=79

95−48=47

56+23=79

83−29=54

19+64=83

70−35=35

27+48=75

61−27=34

38+44=82

52−18=34

💡 Help with this task

· The swap trick for adding Solution

23+46=69↔46+23=69

30+32=62↔32+30=62

55+39=94↔39+55=94

38+43=81↔43+38=81

54+39=93↔39+54=93

42+11=53↔11+42=53

21+22=43↔22+21=43

36+45=81↔45+36=81

💡 Help with this task

· Break into tens and ones Solution

💡 Help with this task

· Turn it into the inverse problem Solution

26 + 11 = 37

37 − 11 = 26

37 − 26 = 11

54 + 18 = 72

72 − 18 = 54

72 − 54 = 18

37 + 26 = 63

63 − 26 = 37

63 − 37 = 26

50 + 27 = 77

77 − 27 = 50

77 − 50 = 27

45 + 25 = 70

70 − 25 = 45

70 − 45 = 25

39 + 14 = 53

53 − 14 = 39

53 − 39 = 14

28 + 35 = 63

63 − 35 = 28

63 − 28 = 35

43 + 32 = 75

75 − 32 = 43

75 − 43 = 32

34 + 14 = 48

48 − 14 = 34

48 − 34 = 14

💡 Help with this task

· Take the number several times Solution

6 + 6 + 6 + 6=24→6fits into 244times

6 + 6 + 6 + 6 + 6 + 6 + 6=42→6fits into 427times

6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6=54→6fits into 549times

6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6 + 6=60→6fits into 6010times

💡 Help with this task

· Counting days in the calendar Solution

1. 15

2. 27

3. 9

4. 10

💡 Help with this task

· From smallest to largest Solution

💡 Help with this task

· Wild blossoms Solution

💡 Help with this task

· Plus and minus mixed Solution

61+34=95

45−27=18

31+27=58

73−17=56

48+26=74

78−39=39

22+26=48

98−26=72

54+29=83

67−41=26

43+29=72

85−38=47

💡 Help with this task

· Magic square - sum 21 Solution

💡 Help with this task

· Find the number neighbors Solution

💡 Help with this task

· Swap the addends Solution

36+35=71↔35+36=71

24+29=53↔29+24=53

41+13=54↔13+41=54

12+20=32↔20+12=32

58+33=91↔33+58=91

59+31=90↔31+59=90

58+32=90↔32+58=90

29+39=68↔39+29=68

💡 Help with this task

· Break apart with round tens Solution

💡 Help with this task

· Three paths, one goal Solution

💡 Help with this task

· Shopping and change Solution

1. $3

2. $7

3. $6

4. $5

💡 Help with this task

· Take the number several times Solution

7 + 7 + 7 + 7=28→7fits into 284times

7 + 7 + 7 + 7 + 7 + 7 + 7=49→7fits into 497times

7 + 7 + 7 + 7 + 7 + 7 + 7 + 7=56→7fits into 568times

7 + 7 + 7 + 7 + 7 + 7 + 7 + 7 + 7=63→7fits into 639times

💡 Help with this task

· From smallest to largest Solution

💡 Help with this task

A flower bed Solution

💡 Help with this task

· Mirror images in the mix Solution

💡 Help with this task

· Plus, minus, done Solution

63+17=80

63−26=37

58+12=70

41−13=28

64+32=96

45−33=12

45+35=80

50−32=18

29+55=84

74−28=46

33+39=72

82−49=33

💡 Help with this task

· Counting money Solution

💡 Help with this task

· Keep the pattern going Solution

💡 Help with this task

· Once around the circle Solution

💡 Help with this task

· Count in steps Solution

8 + 8 + 8 + 8 + 8 + 8 + 8=56→8fits into 567times

8 + 8 + 8 + 8 + 8 + 8 + 8 + 8=64→8fits into 648times

8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8=72→8fits into 729times

8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8=80→8fits into 8010times

💡 Help with this task

· Flower meadow Solution

💡 Help with this task

· Calculating in everyday life Solution

1. 35
2. 83
3. 34
4. 42
5. 92

💡 Help with this task

· Calculate all mixed up Solution

57+36=93

92−45=47

4×7=28

83−36=47

48+37=85

72÷8=9

64+27=91

91−58=33

7×9=63

75−49=26

38+46=84

48÷6=8

💡 Help with this task

· Trading cards in class Solution

💡 Help with this task

· Boss level: mixed Solution

20,25,45
30,22,52
17,23,40,48,67
23,18,41,53,69

More practice

· Wild blossoms Solution

💡 Help with this task

· Swapping made easy Solution

25+16=41↔16+25=41

17+31=48↔31+17=48

56+29=85↔29+56=85

49+31=80↔31+49=80

41+18=59↔18+41=59

28+34=62↔34+28=62

33+28=61↔28+33=61

35+14=49↔14+35=49

💡 Help with this task

· Adding up to 100 Solution

37+11=48

58+37=95

58+16=74

21+24=45

52+12=64

75+16=91

63+31=94

24+37=61

43+35=78

29+53=82

61+27=88

34+42=76

💡 Help with this task

· Find tens and ones Solution

💡 Help with this task

· Put them in order by size Solution

💡 Help with this task

· Dominoes to finish Solution

💡 Help with this task

· From plus to minus Solution

52 + 17 = 69

69 − 17 = 52

69 − 52 = 17

34 + 11 = 45

45 − 11 = 34

45 − 34 = 11

25 + 26 = 51

51 − 26 = 25

51 − 25 = 26

61 + 18 = 79

79 − 18 = 61

79 − 61 = 18

47 + 25 = 72

72 − 25 = 47

72 − 47 = 25

16 + 23 = 39

39 − 23 = 16

39 − 16 = 23

40 + 33 = 73

73 − 33 = 40

73 − 40 = 33

43 + 12 = 55

55 − 12 = 43

55 − 43 = 12

30 + 24 = 54

54 − 24 = 30

54 − 30 = 24

💡 Help with this task

· Add them up Solution

21+32=53

31+33=64

18+27=45

59+17=76

55+25=80

59+31=90

77+12=89

32+12=44

46+38=84

27+41=68

63+29=92

38+34=72

💡 Help with this task

· The times table as addition Solution

5 + 5 + 5=15→5fits into 153times

5 + 5 + 5 + 5 + 5 + 5=30→5fits into 306times

5 + 5 + 5 + 5 + 5 + 5 + 5 + 5=40→5fits into 408times

5 + 5 + 5 + 5 + 5 + 5 + 5 + 5 + 5=45→5fits into 459times

💡 Help with this task

· Fill in the number neighbors Solution

💡 Help with this task

· Fill in tens or ones Solution

💡 Help with this task

· Again: certain, possible, impossible Solution

I draw two empty marbles one after the other.possible

I draw a marble out of the bag.certain

I draw a square marble.impossible

I draw three filled marbles one after the other.possible

💡 Help with this task

· Blossom magic Solution

💡 Help with this task

· Swap problems in addition Solution

26+34=60↔34+26=60

34+40=74↔40+34=74

36+12=48↔12+36=48

46+48=94↔48+46=94

21+22=43↔22+21=43

52+38=90↔38+52=90

52+47=99↔47+52=99

23+43=66↔43+23=66

💡 Help with this task

· Line them up by size Solution

💡 Help with this task

· Add them up Solution

27+22=49

33+35=68

38+21=59

48+30=78

16+16=32

26+22=48

51+23=74

78+13=91

45+38=83

29+34=63

57+28=85

36+25=61

💡 Help with this task

· Telling the time in the mix Solution

💡 Help with this task

· Multiplying from both sides Solution

6×7=42↔7×6=42

8×4=32↔4×8=32

9×3=27↔3×9=27

7×5=35↔5×7=35

6×8=48↔8×6=48

9×4=36↔4×9=36

9×7=63↔7×9=63

8×3=24↔3×8=24

💡 Help with this task

· Comparing weights and amounts Solution

2 kg=2000 g

3 l=3000 ml

250 g<1 kg

6 l>5500 ml

900 g<1 kg

2 l>1500 ml

7 kg=7000 g

300 ml<1 l

💡 Help with this task

· Break the number apart Solution

💡 Help with this task

· Blossom magic Solution

💡 Help with this task

· Take the number several times Solution

9 + 9 + 9=27→9fits into 273times

9 + 9 + 9 + 9 + 9=45→9fits into 455times

9 + 9 + 9 + 9 + 9 + 9 + 9=63→9fits into 637times

9 + 9 + 9 + 9 + 9 + 9 + 9 + 9 + 9=81→9fits into 819times

💡 Help with this task

· Books read this year Solution

Who read the fewest books?Ella

How many books did Nora and Max read together?19

How many books did Ella and Timo read together?12

Who read the most books?Max

💡 Help with this task

· Work out the minus Solution

75−35=40

79−31=48

57−24=33

65−31=34

77−26=51

86−37=49

92−20=72

37−22=15

63−28=35

88−41=47

54−29=25

91−36=55

💡 Help with this task

· Word problems to finish Solution

1. 47
2. 48
3. 25
4. 37
5. 29

💡 Help with this task

· Halve the number! Solution

💡 Help with this task

· Plus, minus, times, divided by Solution

93−28=65

4×9=36

56÷7=8

36+47=83

7×7=49

81÷9=9

27+58=85

6×8=48

9×3=27

61−27=34

35÷5=7

32÷8=4

💡 Help with this task

· Flower meadow Solution

💡 Help with this task

· From plus to minus Solution

26 + 18 = 44

44 − 18 = 26

44 − 26 = 18

35 + 22 = 57

57 − 22 = 35

57 − 35 = 22

26 + 22 = 48

48 − 22 = 26

48 − 26 = 22

61 + 25 = 86

86 − 25 = 61

86 − 61 = 25

69 + 28 = 97

97 − 28 = 69

97 − 69 = 28

67 + 27 = 94

94 − 27 = 67

94 − 67 = 27

56 + 25 = 81

81 − 25 = 56

81 − 56 = 25

38 + 24 = 62

62 − 24 = 38

62 − 38 = 24

32 + 20 = 52

52 − 20 = 32

52 − 32 = 20

💡 Help with this task

· Dollars and cents once more Solution

1. $1 and 40¢

2. $2 and 60¢

3. $3 and 40¢

4. $4 and 40¢

5. $5 and 30¢

6. $6 and 20¢

7. $7 and 30¢

8. $8 and 50¢

💡 Help with this task

· The times table with fours Solution

4 + 4 + 4 + 4=16→4fits into 164times

4 + 4 + 4 + 4 + 4 + 4=24→4fits into 246times

4 + 4 + 4 + 4 + 4 + 4 + 4 + 4=32→4fits into 328times

4 + 4 + 4 + 4 + 4 + 4 + 4 + 4 + 4=36→4fits into 369times

💡 Help with this task

· Magic triangles with multiples of seven Solution

💡 Help with this task

· Boss level: the finale Solution

23,24,47
29,28,57
19,20,39,53,71
21,23,44,55,78

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Grade 2 Solutions

Review up to 20

Numbers up to 100

Weights, lengths and shapes

Charts

Times tables

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More practice

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