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