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