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