Pairs of numbers that make 20 (1)
Finding pairs of numbers that add up to 20, and hopefully beginning to learn them.
5 pages
Pairs of numbers that make 20 (1)
Finding pairs of numbers that add up to 20, and hopefully beginning to learn them.
![Preview of 'Pairs of numbers that make 20 (1)'](https://content.urbrainy.com/511/1510474094/thumbnail_xlarge/585_1.png)