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