1
Balance the scale: 7 + 10 2 + ? =
2
Balance the scale: 7 + __ 9 =
3
Balance the scale: 7 + 8 9 + ? =
4
If left side 5 × 9, what does the right side equal to balance the scale? =
5
Balance the scale: 10 + 6 3 + ? =
6
If left side 7 × 10, what does the right side equal to balance the scale? =
7
Balance the scale: 1 + 5 1 + ? =
8
If left side 6 × 2, what does the right side equal to balance the scale? =
9
If left side 5 × 8, what does the right side equal to balance the scale? =
10
Balance the scale: 6 + 9 11 + ? =
11
If left side 3 × 8, what does the right side equal to balance the scale? =
12
Balance the scale: 5 + 9 6 + ? =
13
Balance the scale: 2 + 2 3 + ? =
14
If left side 3 × 2, what does the right side equal to balance the scale? =
15
Balance the scale: 4 + __ 6 =
16
Balance the scale: 3 + __ 6 =
17
Balance the scale: 4 + 3 4 + ? =
18
Balance the scale: 4 + __ 5 =
19
Balance the scale: 7 + 1 5 + ? =