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