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