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