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