easy Set 50 Form Exercise

__ + 79 = 100

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Answer: 21

SubType
complement-of-9
Total
100
KnownAddend
79
Difficulty
normal

Find the complement to 100: 27 + __ = 100

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Answer: 73

SubType
complement-of-9
Total
100
KnownAddend
27
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: 7 + __ = 10

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Answer: 3

SubType
complement-of-9
Total
10
KnownAddend
7
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 10: 6 + __ = 10

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Answer: 4

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

__ + 4 = 100

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Answer: 96

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

__ + 13 = 100

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Answer: 87

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

Find the complement to 100: 30 + __ = 100

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Answer: 70

SubType
complement-of-9
Total
100
KnownAddend
30
Difficulty
normal

What number + 9 = 10?

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Answer: 1

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

__ + 1 = 10

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Answer: 9

SubType
complement-of-9
Total
10
KnownAddend
1
Difficulty
normal

What number + 8 = 20?

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Answer: 12

SubType
complement-of-9
Total
20
KnownAddend
8
Difficulty
normal

__ + 9 = 10

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Answer: 1

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

What number + 43 = 100?

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Answer: 57

SubType
complement-of-9
Total
100
KnownAddend
43
Difficulty
normal

__ + 97 = 100

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Answer: 3

SubType
complement-of-9
Total
100
KnownAddend
97
Difficulty
normal

__ + 89 = 100

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Answer: 11

SubType
complement-of-9
Total
100
KnownAddend
89
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

Find the complement to 100: 95 + __ = 100

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Answer: 5

SubType
complement-of-9
Total
100
KnownAddend
95
Difficulty
normal

Find the complement to 100: 78 + __ = 100

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Answer: 22

SubType
complement-of-9
Total
100
KnownAddend
78
Difficulty
normal