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