easy Set 21 Form Exercise

Find the complement to 20: 3 + __ = 20

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Answer: 17

SubType
complement-of-10
Total
20
KnownAddend
3
Difficulty
normal

Find the complement to 100: 70 + __ = 100

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Answer: 30

SubType
complement-of-10
Total
100
KnownAddend
70
Difficulty
normal

__ + 7 = 10

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Answer: 3

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

What number + 3 = 10?

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Answer: 7

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

__ + 6 = 20

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Answer: 14

SubType
complement-of-10
Total
20
KnownAddend
6
Difficulty
normal

Find the complement to 10: 3 + __ = 10

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Answer: 7

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

What number + 26 = 100?

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Answer: 74

SubType
complement-of-10
Total
100
KnownAddend
26
Difficulty
normal

__ + 3 = 10

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Answer: 7

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

What number + 5 = 20?

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Answer: 15

SubType
complement-of-10
Total
20
KnownAddend
5
Difficulty
normal

__ + 5 = 20

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Answer: 15

SubType
complement-of-10
Total
20
KnownAddend
5
Difficulty
normal

__ + 13 = 20

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Answer: 7

SubType
complement-of-10
Total
20
KnownAddend
13
Difficulty
normal

Find the complement to 100: 75 + __ = 100

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Answer: 25

SubType
complement-of-10
Total
100
KnownAddend
75
Difficulty
normal

__ + 9 = 100

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Answer: 91

SubType
complement-of-10
Total
100
KnownAddend
9
Difficulty
normal

What number + 13 = 100?

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Answer: 87

SubType
complement-of-10
Total
100
KnownAddend
13
Difficulty
normal

What number + 44 = 100?

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Answer: 56

SubType
complement-of-10
Total
100
KnownAddend
44
Difficulty
normal

Find the complement to 100: 85 + __ = 100

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Answer: 15

SubType
complement-of-10
Total
100
KnownAddend
85
Difficulty
normal

What number + 5 = 10?

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Answer: 5

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

__ + 76 = 100

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Answer: 24

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

What number + 43 = 100?

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Answer: 57

SubType
complement-of-10
Total
100
KnownAddend
43
Difficulty
normal