Addition up to 20
7+8
What is 15?
20-20
What is 0?
20+8
What is 28?
17
What is 17?
25
What is 25?
2+2
What is 4?
5-3
What is 2?
11+33
What is 44?
36
What is 36?
49
What is 49?
13+4
What is 17?
8-4
What is 4?
52+31
What is 83?
70
What is 70?
16
What is 16?
10+10
What is 20?
16-9
What is 7?
42+37
What is 79?
132
What is 132?
104
What is 104?
15+4
What is 19?
20-15
What is 5?
56+18
What is 74?
107
What is 107?
113
What is 113?