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