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