1
Balance the scale: 5 + 9 12 + ? =
2
Balance the scale: 4 + __ 10 =
3
If left side 10 × 5, what does the right side equal to balance the scale? =
4
If left side 8 × 9, what does the right side equal to balance the scale? =
5
Balance the scale: 2 + __ 9 =
6
If left side 2 × 8, what does the right side equal to balance the scale? =
7
Balance the scale: 3 + __ 9 =
8
Balance the scale: 5 + __ 7 =
9
Balance the scale: 4 + 6 2 + ? =
10
Balance the scale: 8 + 5 7 + ? =
11
If left side 2 × 3, what does the right side equal to balance the scale? =
12
Balance the scale: 2 + __ 4 =
13
Balance the scale: 1 + __ 3 =
14
If left side 3 × 3, what does the right side equal to balance the scale? =
15
If left side 8 × 3, what does the right side equal to balance the scale? =
16
Balance the scale: 7 + 7 13 + ? =
17
Balance the scale: 7 + __ 8 =
18
Balance the scale: 4 + __ 9 =
19
Balance the scale: 4 + __ 6 =
20
Balance the scale: 3 + __ 6 =