A game to help children rehearse and refine their skills at forming number bonds to twenty.
Complies with the following CCSS
For any number from 1 to 9, find the number that makes 10 when added to the given number
Relate counting to addition and subtraction
Add and subtract within 20
Use addition and subtraction within 100 to solve one- and two-step word problems
By end of Grade 2, know from memory all sums of two one-digit numbers