In front of you lie several number cards.
At the top there is a target number.
Find two cards that together make exactly the target number.
The filled-in example next to it shows the answer.
Example
What does this exercise practice?
The focused search for matching addends trains flexible number splitting and mental math.
Common pitfalls
Children often try at random. Tip: for one card, think about which second card is still missing.
How to practice at home
Using playing cards, name a target number and look for two matching cards together.
Related: Break apart, Cards