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