easy Set 90 Form Exercise

Find the complement to 100: 37 + __ = 100

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Answer: 63

SubType
complement-of-9
Total
100
KnownAddend
37
Difficulty
normal

What number + 76 = 100?

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Answer: 24

SubType
complement-of-9
Total
100
KnownAddend
76
Difficulty
normal

__ + 30 = 100

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Answer: 70

SubType
complement-of-9
Total
100
KnownAddend
30
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

Find the complement to 10: 7 + __ = 10

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Answer: 3

SubType
complement-of-9
Total
10
KnownAddend
7
Difficulty
normal

What number + 8 = 10?

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Answer: 2

SubType
complement-of-9
Total
10
KnownAddend
8
Difficulty
normal

What number + 29 = 100?

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Answer: 71

SubType
complement-of-9
Total
100
KnownAddend
29
Difficulty
normal

What number + 16 = 20?

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Answer: 4

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

What number + 2 = 10?

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Answer: 8

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

Find the complement to 10: 9 + __ = 10

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Answer: 1

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

Find the complement to 10: 5 + __ = 10

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Answer: 5

SubType
complement-of-9
Total
10
KnownAddend
5
Difficulty
normal

__ + 9 = 10

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Answer: 1

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

Find the complement to 100: 20 + __ = 100

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Answer: 80

SubType
complement-of-9
Total
100
KnownAddend
20
Difficulty
normal

What number + 36 = 100?

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Answer: 64

SubType
complement-of-9
Total
100
KnownAddend
36
Difficulty
normal

__ + 67 = 100

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Answer: 33

SubType
complement-of-9
Total
100
KnownAddend
67
Difficulty
normal

__ + 15 = 20

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Answer: 5

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

Find the complement to 10: 8 + __ = 10

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Answer: 2

SubType
complement-of-9
Total
10
KnownAddend
8
Difficulty
normal

Find the complement to 100: 42 + __ = 100

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Answer: 58

SubType
complement-of-9
Total
100
KnownAddend
42
Difficulty
normal

__ + 34 = 100

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Answer: 66

SubType
complement-of-9
Total
100
KnownAddend
34
Difficulty
normal