Addition
20 + 15 =
35
10 - 8 =
2
What number is 10 more than 2?
12
2 + 2 + 2
6
24 + 24 =
48
20 - 10 =
10
What digit is in the one's place in 289?
9
3 + 3 + 3
9
35 + 27 =
62
20 - 5 =
15
What is twice as many as 3?
6
7 + 2+ 1
10
57 + 28 =
85
20 - 8 =
12
What is 7 + 7 + 7 ?
21
5 + 6 + 1
12
74 + 26 =
100
50 - 40 =
10
What digit is in the ten's place in 106?
0
10 + 6+ 1
17