easy Set 24 Form Exercise

Find the complement to 100: 88 + __ = 100

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Answer: 12

SubType
complement-of-9
Total
100
KnownAddend
88
Difficulty
normal

__ + 32 = 100

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Answer: 68

SubType
complement-of-9
Total
100
KnownAddend
32
Difficulty
normal

Find the complement to 20: 14 + __ = 20

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Answer: 6

SubType
complement-of-9
Total
20
KnownAddend
14
Difficulty
normal

__ + 79 = 100

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Answer: 21

SubType
complement-of-9
Total
100
KnownAddend
79
Difficulty
normal

What number + 54 = 100?

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Answer: 46

SubType
complement-of-9
Total
100
KnownAddend
54
Difficulty
normal

Find the complement to 20: 19 + __ = 20

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Answer: 1

SubType
complement-of-9
Total
20
KnownAddend
19
Difficulty
normal

__ + 4 = 10

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Answer: 6

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

__ + 40 = 100

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Answer: 60

SubType
complement-of-9
Total
100
KnownAddend
40
Difficulty
normal

__ + 91 = 100

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Answer: 9

SubType
complement-of-9
Total
100
KnownAddend
91
Difficulty
normal

__ + 13 = 20

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Answer: 7

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

Find the complement to 20: 8 + __ = 20

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Answer: 12

SubType
complement-of-9
Total
20
KnownAddend
8
Difficulty
normal

What number + 4 = 20?

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Answer: 16

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

What number + 16 = 20?

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Answer: 4

SubType
complement-of-9
Total
20
KnownAddend
16
Difficulty
normal

__ + 9 = 20

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Answer: 11

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

What number + 8 = 20?

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Answer: 12

SubType
complement-of-9
Total
20
KnownAddend
8
Difficulty
normal

Find the complement to 100: 57 + __ = 100

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Answer: 43

SubType
complement-of-9
Total
100
KnownAddend
57
Difficulty
normal

Find the complement to 20: 17 + __ = 20

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Answer: 3

SubType
complement-of-9
Total
20
KnownAddend
17
Difficulty
normal

__ + 26 = 100

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Answer: 74

SubType
complement-of-9
Total
100
KnownAddend
26
Difficulty
normal

__ + 6 = 10

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Answer: 4

SubType
complement-of-9
Total
10
KnownAddend
6
Difficulty
normal