easy Set 72 Form Exercise

Find the complement to 20: 6 + __ = 20

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Answer: 14

SubType
complement-of-100
Total
20
KnownAddend
6
Difficulty
normal

Find the complement to 10: 2 + __ = 10

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Answer: 8

SubType
complement-of-100
Total
10
KnownAddend
2
Difficulty
normal

What number + 91 = 100?

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Answer: 9

SubType
complement-of-100
Total
100
KnownAddend
91
Difficulty
normal

__ + 7 = 10

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Answer: 3

SubType
complement-of-100
Total
10
KnownAddend
7
Difficulty
normal

__ + 8 = 20

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Answer: 12

SubType
complement-of-100
Total
20
KnownAddend
8
Difficulty
normal

What number + 12 = 20?

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Answer: 8

SubType
complement-of-100
Total
20
KnownAddend
12
Difficulty
normal

What number + 15 = 20?

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Answer: 5

SubType
complement-of-100
Total
20
KnownAddend
15
Difficulty
normal

__ + 23 = 100

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Answer: 77

SubType
complement-of-100
Total
100
KnownAddend
23
Difficulty
normal

__ + 10 = 20

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Answer: 10

SubType
complement-of-100
Total
20
KnownAddend
10
Difficulty
normal

What number + 5 = 20?

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Answer: 15

SubType
complement-of-100
Total
20
KnownAddend
5
Difficulty
normal

Find the complement to 10: 5 + __ = 10

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Answer: 5

SubType
complement-of-100
Total
10
KnownAddend
5
Difficulty
normal

__ + 4 = 20

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Answer: 16

SubType
complement-of-100
Total
20
KnownAddend
4
Difficulty
normal

Find the complement to 20: 9 + __ = 20

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Answer: 11

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

Find the complement to 10: 1 + __ = 10

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Answer: 9

SubType
complement-of-100
Total
10
KnownAddend
1
Difficulty
normal

What number + 79 = 100?

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Answer: 21

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

Find the complement to 20: 1 + __ = 20

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Answer: 19

SubType
complement-of-100
Total
20
KnownAddend
1
Difficulty
normal

__ + 16 = 100

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Answer: 84

SubType
complement-of-100
Total
100
KnownAddend
16
Difficulty
normal