The challenge is to find numbers to replace the shapes and to make this addition sum correct.
Hint: Imagine adding up the tens column.
What number do you think has to go in the hundreds place? Why?
In the simpler number puzzles 1. and 2. put different numbers in place of the letters to make these addition sums correct.
1. B B 2. P Q
+ A + Q R
A C C Q R Q
Click here to download the Find The Numbers Puzzle poster
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