easy Set 38 Form Exercise

What number + 80 = 100?

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Answer: 20

SubType
complement-of-9
Total
100
KnownAddend
80
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

__ + 15 = 20

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Answer: 5

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

__ + 4 = 10

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Answer: 6

SubType
complement-of-9
Total
10
KnownAddend
4
Difficulty
normal

__ + 60 = 100

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Answer: 40

SubType
complement-of-9
Total
100
KnownAddend
60
Difficulty
normal

What number + 5 = 20?

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Answer: 15

SubType
complement-of-9
Total
20
KnownAddend
5
Difficulty
normal

What number + 7 = 10?

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Answer: 3

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

Find the complement to 20: 10 + __ = 20

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Answer: 10

SubType
complement-of-9
Total
20
KnownAddend
10
Difficulty
normal

What number + 3 = 20?

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Answer: 17

SubType
complement-of-9
Total
20
KnownAddend
3
Difficulty
normal

What number + 8 = 10?

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Answer: 2

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

Find the complement to 10: 4 + __ = 10

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Answer: 6

SubType
complement-of-9
Total
10
KnownAddend
4
Difficulty
normal

What number + 5 = 10?

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Answer: 5

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

What number + 14 = 100?

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Answer: 86

SubType
complement-of-9
Total
100
KnownAddend
14
Difficulty
normal

Find the complement to 20: 13 + __ = 20

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Answer: 7

SubType
complement-of-9
Total
20
KnownAddend
13
Difficulty
normal

What number + 10 = 20?

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Answer: 10

SubType
complement-of-9
Total
20
KnownAddend
10
Difficulty
normal

__ + 7 = 20

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Answer: 13

SubType
complement-of-9
Total
20
KnownAddend
7
Difficulty
normal

__ + 9 = 10

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Answer: 1

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

Find the complement to 20: 4 + __ = 20

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Answer: 16

SubType
complement-of-9
Total
20
KnownAddend
4
Difficulty
normal