easy Set 74 Form Exercise

__ + 90 = 100

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Answer: 10

SubType
complement-of-9
Total
100
KnownAddend
90
Difficulty
normal

Find the complement to 100: 84 + __ = 100

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Answer: 16

SubType
complement-of-9
Total
100
KnownAddend
84
Difficulty
normal

Find the complement to 100: 9 + __ = 100

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Answer: 91

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

Find the complement to 10: 4 + __ = 10

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Answer: 6

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

__ + 51 = 100

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Answer: 49

SubType
complement-of-9
Total
100
KnownAddend
51
Difficulty
normal

Find the complement to 100: 29 + __ = 100

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Answer: 71

SubType
complement-of-9
Total
100
KnownAddend
29
Difficulty
normal

__ + 1 = 20

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Answer: 19

SubType
complement-of-9
Total
20
KnownAddend
1
Difficulty
normal

Find the complement to 10: 3 + __ = 10

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Answer: 7

SubType
complement-of-9
Total
10
KnownAddend
3
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

__ + 7 = 10

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Answer: 3

SubType
complement-of-9
Total
10
KnownAddend
7
Difficulty
normal

Find the complement to 10: 8 + __ = 10

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Answer: 2

SubType
complement-of-9
Total
10
KnownAddend
8
Difficulty
normal

What number + 7 = 20?

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Answer: 13

SubType
complement-of-9
Total
20
KnownAddend
7
Difficulty
normal

What number + 62 = 100?

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Answer: 38

SubType
complement-of-9
Total
100
KnownAddend
62
Difficulty
normal

Find the complement to 10: 7 + __ = 10

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Answer: 3

SubType
complement-of-9
Total
10
KnownAddend
7
Difficulty
normal

Find the complement to 10: 1 + __ = 10

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Answer: 9

SubType
complement-of-9
Total
10
KnownAddend
1
Difficulty
normal

What number + 11 = 20?

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Answer: 9

SubType
complement-of-9
Total
20
KnownAddend
11
Difficulty
normal

What number + 9 = 10?

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Answer: 1

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

What number + 13 = 20?

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Answer: 7

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