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