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