easy Set 77 Form Exercise

__ + 7 = 20

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Answer: 13

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

Find the complement to 10: 4 + __ = 10

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Answer: 6

SubType
complement-of-100
Total
10
KnownAddend
4
Difficulty
normal

What number + 16 = 20?

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Answer: 4

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

Find the complement to 100: 93 + __ = 100

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Answer: 7

SubType
complement-of-100
Total
100
KnownAddend
93
Difficulty
normal

__ + 21 = 100

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Answer: 79

SubType
complement-of-100
Total
100
KnownAddend
21
Difficulty
normal

__ + 51 = 100

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Answer: 49

SubType
complement-of-100
Total
100
KnownAddend
51
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

Find the complement to 20: 15 + __ = 20

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Answer: 5

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

What number + 27 = 100?

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Answer: 73

SubType
complement-of-100
Total
100
KnownAddend
27
Difficulty
normal

What number + 84 = 100?

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Answer: 16

SubType
complement-of-100
Total
100
KnownAddend
84
Difficulty
normal

What number + 1 = 10?

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Answer: 9

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

__ + 1 = 10

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Answer: 9

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

Find the complement to 20: 10 + __ = 20

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Answer: 10

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

__ + 13 = 100

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Answer: 87

SubType
complement-of-100
Total
100
KnownAddend
13
Difficulty
normal

__ + 62 = 100

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Answer: 38

SubType
complement-of-100
Total
100
KnownAddend
62
Difficulty
normal

What number + 7 = 10?

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Answer: 3

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

Find the complement to 100: 13 + __ = 100

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Answer: 87

SubType
complement-of-100
Total
100
KnownAddend
13
Difficulty
normal

Find the complement to 10: 3 + __ = 10

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Answer: 7

SubType
complement-of-100
Total
10
KnownAddend
3
Difficulty
normal