0's add and subract
0's and 1's Add and SubtractAdd and Subtract 0's and 1's
10's add and subtract
Making 10 facts
Using 10 Plus and MinusAdd and Subtract Making 10's
Doubles and Halves
Doubles Add and Subtract
0 facts_
1 facts_
2 facts_
3 facts_
4 facts_
5 facts_
6 facts_
7 facts_
8 facts_
9 facts_
10 facts_