easy Set 40 Form Exercise

__ + 9 = 100

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Answer: 91

SubType
complement-of-9
Total
100
KnownAddend
9
Difficulty
normal

What number + 70 = 100?

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Answer: 30

SubType
complement-of-9
Total
100
KnownAddend
70
Difficulty
normal

Find the complement to 10: 4 + __ = 10

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Answer: 6

SubType
complement-of-9
Total
10
KnownAddend
4
Difficulty
normal

__ + 72 = 100

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Answer: 28

SubType
complement-of-9
Total
100
KnownAddend
72
Difficulty
normal

What number + 49 = 100?

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Answer: 51

SubType
complement-of-9
Total
100
KnownAddend
49
Difficulty
normal

Find the complement to 100: 5 + __ = 100

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Answer: 95

SubType
complement-of-9
Total
100
KnownAddend
5
Difficulty
normal

__ + 5 = 20

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Answer: 15

SubType
complement-of-9
Total
20
KnownAddend
5
Difficulty
normal

What number + 18 = 20?

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Answer: 2

SubType
complement-of-9
Total
20
KnownAddend
18
Difficulty
normal

__ + 4 = 100

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Answer: 96

SubType
complement-of-9
Total
100
KnownAddend
4
Difficulty
normal

Find the complement to 100: 13 + __ = 100

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Answer: 87

SubType
complement-of-9
Total
100
KnownAddend
13
Difficulty
normal

__ + 11 = 100

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Answer: 89

SubType
complement-of-9
Total
100
KnownAddend
11
Difficulty
normal

__ + 16 = 20

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Answer: 4

SubType
complement-of-9
Total
20
KnownAddend
16
Difficulty
normal

What number + 3 = 10?

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Answer: 7

SubType
complement-of-9
Total
10
KnownAddend
3
Difficulty
normal

Find the complement to 20: 15 + __ = 20

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Answer: 5

SubType
complement-of-9
Total
20
KnownAddend
15
Difficulty
normal

What number + 71 = 100?

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Answer: 29

SubType
complement-of-9
Total
100
KnownAddend
71
Difficulty
normal

Find the complement to 20: 6 + __ = 20

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Answer: 14

SubType
complement-of-9
Total
20
KnownAddend
6
Difficulty
normal

Find the complement to 20: 10 + __ = 20

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Answer: 10

SubType
complement-of-9
Total
20
KnownAddend
10
Difficulty
normal

__ + 6 = 10

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Answer: 4

SubType
complement-of-9
Total
10
KnownAddend
6
Difficulty
normal

__ + 9 = 20

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Answer: 11

SubType
complement-of-9
Total
20
KnownAddend
9
Difficulty
normal

What number + 2 = 10?

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Answer: 8

SubType
complement-of-9
Total
10
KnownAddend
2
Difficulty
normal