easy Set 49 Form Exercise

Find the complement to 20: 17 + __ = 20

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Answer: 3

SubType
complement-of-10
Total
20
KnownAddend
17
Difficulty
normal

Find the complement to 100: 51 + __ = 100

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Answer: 49

SubType
complement-of-10
Total
100
KnownAddend
51
Difficulty
normal

__ + 58 = 100

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Answer: 42

SubType
complement-of-10
Total
100
KnownAddend
58
Difficulty
normal

Find the complement to 100: 79 + __ = 100

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Answer: 21

SubType
complement-of-10
Total
100
KnownAddend
79
Difficulty
normal

What number + 4 = 20?

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Answer: 16

SubType
complement-of-10
Total
20
KnownAddend
4
Difficulty
normal

__ + 18 = 20

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Answer: 2

SubType
complement-of-10
Total
20
KnownAddend
18
Difficulty
normal

__ + 16 = 20

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Answer: 4

SubType
complement-of-10
Total
20
KnownAddend
16
Difficulty
normal

What number + 76 = 100?

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Answer: 24

SubType
complement-of-10
Total
100
KnownAddend
76
Difficulty
normal

What number + 11 = 100?

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Answer: 89

SubType
complement-of-10
Total
100
KnownAddend
11
Difficulty
normal

Find the complement to 10: 8 + __ = 10

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Answer: 2

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

What number + 8 = 10?

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Answer: 2

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

__ + 88 = 100

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Answer: 12

SubType
complement-of-10
Total
100
KnownAddend
88
Difficulty
normal

__ + 21 = 100

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Answer: 79

SubType
complement-of-10
Total
100
KnownAddend
21
Difficulty
normal

__ + 62 = 100

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Answer: 38

SubType
complement-of-10
Total
100
KnownAddend
62
Difficulty
normal

What number + 7 = 10?

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Answer: 3

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

Find the complement to 20: 14 + __ = 20

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Answer: 6

SubType
complement-of-10
Total
20
KnownAddend
14
Difficulty
normal

__ + 6 = 10

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Answer: 4

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

__ + 65 = 100

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Answer: 35

SubType
complement-of-10
Total
100
KnownAddend
65
Difficulty
normal

Find the complement to 100: 83 + __ = 100

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Answer: 17

SubType
complement-of-10
Total
100
KnownAddend
83
Difficulty
normal