easy Set 81 Form Exercise

What number + 6 = 10?

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Answer: 4

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

__ + 34 = 100

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Answer: 66

SubType
complement-of-10
Total
100
KnownAddend
34
Difficulty
normal

__ + 4 = 20

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Answer: 16

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

__ + 17 = 20

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Answer: 3

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

Find the complement to 100: 77 + __ = 100

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Answer: 23

SubType
complement-of-10
Total
100
KnownAddend
77
Difficulty
normal

__ + 71 = 100

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Answer: 29

SubType
complement-of-10
Total
100
KnownAddend
71
Difficulty
normal

__ + 3 = 20

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Answer: 17

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

__ + 2 = 10

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Answer: 8

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

__ + 74 = 100

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Answer: 26

SubType
complement-of-10
Total
100
KnownAddend
74
Difficulty
normal

Find the complement to 20: 3 + __ = 20

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Answer: 17

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

What number + 5 = 20?

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Answer: 15

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

What number + 9 = 10?

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Answer: 1

SubType
complement-of-10
Total
10
KnownAddend
9
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 10: 8 + __ = 10

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Answer: 2

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

What number + 9 = 20?

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Answer: 11

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

__ + 6 = 20

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Answer: 14

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

What number + 97 = 100?

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Answer: 3

SubType
complement-of-10
Total
100
KnownAddend
97
Difficulty
normal

What number + 3 = 10?

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Answer: 7

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

__ + 1 = 20

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Answer: 19

SubType
complement-of-10
Total
20
KnownAddend
1
Difficulty
normal

Find the complement to 100: 40 + __ = 100

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Answer: 60

SubType
complement-of-10
Total
100
KnownAddend
40
Difficulty
normal