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