Addition
10 + 1 = ?
What is 11?
14 - 1 = ?
What is 13?
12 + 8= ?
What is 20?
16 - 1 = ?
What is 15?
8 - 7 = ?
What is 1?
20 + 6 = ?
What is 26?
29 - 9 = ?
What is 20?
30 + 5 = ?
What is 35?
31 - 1 = ?
What is 30?
50 + 4= ?
What is 54?
14 + 5 = ?
What is 19?
18 - 3 = ?
What is 15?
12 + 2 = ?
What is 14?
15 - 4 = ?
What is 11?
30 + 10 = ?
What is 40?
19 + 10 = ?
What is 29?
35 - 4 = ?
What is 31?
26 + 7 = ?
What is 33?
24 - 6 = ?
What is 18?
59 + 5= ?
What is 64?
141 + 9 = ?
What is 150?
165 - 4 = ?
What is 161?
131 + 1 = ?
What is 132?
89 - 17 = ?
What is? 72
550 + 440 = ?
What is 990?