easy Set 79 Form Exercise

__ + 50 = 100

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Answer: 50

SubType
complement-of-10
Total
100
KnownAddend
50
Difficulty
normal

What number + 20 = 100?

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Answer: 80

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

__ + 5 = 10

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Answer: 5

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

What number + 29 = 100?

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Answer: 71

SubType
complement-of-10
Total
100
KnownAddend
29
Difficulty
normal

__ + 6 = 20

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Answer: 14

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

__ + 11 = 100

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Answer: 89

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

What number + 7 = 20?

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Answer: 13

SubType
complement-of-10
Total
20
KnownAddend
7
Difficulty
normal

Find the complement to 100: 12 + __ = 100

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Answer: 88

SubType
complement-of-10
Total
100
KnownAddend
12
Difficulty
normal

What number + 68 = 100?

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Answer: 32

SubType
complement-of-10
Total
100
KnownAddend
68
Difficulty
normal

What number + 14 = 20?

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Answer: 6

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

__ + 9 = 10

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Answer: 1

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

What number + 22 = 100?

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Answer: 78

SubType
complement-of-10
Total
100
KnownAddend
22
Difficulty
normal

__ + 6 = 10

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Answer: 4

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

__ + 29 = 100

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Answer: 71

SubType
complement-of-10
Total
100
KnownAddend
29
Difficulty
normal

Find the complement to 20: 1 + __ = 20

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Answer: 19

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

__ + 3 = 20

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Answer: 17

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

__ + 4 = 10

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Answer: 6

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

What number + 99 = 100?

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Answer: 1

SubType
complement-of-10
Total
100
KnownAddend
99
Difficulty
normal

__ + 7 = 20

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Answer: 13

SubType
complement-of-10
Total
20
KnownAddend
7
Difficulty
normal