easy Set 55 Form Exercise

Find the complement to 100: 39 + __ = 100

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Answer: 61

SubType
complement-of-100
Total
100
KnownAddend
39
Difficulty
normal

What number + 10 = 20?

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Answer: 10

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

__ + 6 = 20

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Answer: 14

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

Find the complement to 20: 17 + __ = 20

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Answer: 3

SubType
complement-of-100
Total
20
KnownAddend
17
Difficulty
normal

__ + 16 = 20

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Answer: 4

SubType
complement-of-100
Total
20
KnownAddend
16
Difficulty
normal

Find the complement to 100: 81 + __ = 100

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Answer: 19

SubType
complement-of-100
Total
100
KnownAddend
81
Difficulty
normal

__ + 8 = 10

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Answer: 2

SubType
complement-of-100
Total
10
KnownAddend
8
Difficulty
normal

What number + 5 = 10?

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Answer: 5

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

__ + 15 = 100

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Answer: 85

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

Find the complement to 20: 7 + __ = 20

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Answer: 13

SubType
complement-of-100
Total
20
KnownAddend
7
Difficulty
normal

What number + 7 = 10?

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Answer: 3

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

What number + 8 = 20?

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Answer: 12

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

Find the complement to 10: 6 + __ = 10

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Answer: 4

SubType
complement-of-100
Total
10
KnownAddend
6
Difficulty
normal

What number + 77 = 100?

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Answer: 23

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

Find the complement to 20: 5 + __ = 20

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Answer: 15

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

What number + 6 = 20?

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Answer: 14

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

Find the complement to 10: 8 + __ = 10

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Answer: 2

SubType
complement-of-100
Total
10
KnownAddend
8
Difficulty
normal

__ + 15 = 20

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Answer: 5

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

__ + 2 = 10

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Answer: 8

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