A number wall is built from blocks.
Every block is the sum of the two blocks below it.
Work from the bottom to the top.
Example: If 5 and 3 are at the bottom, the block above them is 8.
The numbers filled in show the solution.
A number wall is built from blocks.
Every block is the sum of the two blocks below it.
Work from the bottom to the top.
Example: If 5 and 3 are at the bottom, the block above them is 8.
The numbers filled in show the solution.