easy Set 85 Form Exercise

What number + 7 = 20?

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Answer: 13

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

What number + 42 = 100?

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Answer: 58

SubType
complement-of-9
Total
100
KnownAddend
42
Difficulty
normal

What number + 4 = 10?

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Answer: 6

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

__ + 4 = 10

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Answer: 6

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

What number + 1 = 20?

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Answer: 19

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

Find the complement to 100: 14 + __ = 100

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Answer: 86

SubType
complement-of-9
Total
100
KnownAddend
14
Difficulty
normal

Find the complement to 100: 76 + __ = 100

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Answer: 24

SubType
complement-of-9
Total
100
KnownAddend
76
Difficulty
normal

What number + 3 = 20?

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Answer: 17

SubType
complement-of-9
Total
20
KnownAddend
3
Difficulty
normal

__ + 7 = 10

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Answer: 3

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

What number + 1 = 10?

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Answer: 9

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

__ + 1 = 100

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Answer: 99

SubType
complement-of-9
Total
100
KnownAddend
1
Difficulty
normal

__ + 5 = 20

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Answer: 15

SubType
complement-of-9
Total
20
KnownAddend
5
Difficulty
normal

What number + 93 = 100?

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Answer: 7

SubType
complement-of-9
Total
100
KnownAddend
93
Difficulty
normal

__ + 19 = 20

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Answer: 1

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

What number + 28 = 100?

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Answer: 72

SubType
complement-of-9
Total
100
KnownAddend
28
Difficulty
normal

Find the complement to 10: 2 + __ = 10

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Answer: 8

SubType
complement-of-9
Total
10
KnownAddend
2
Difficulty
normal

What number + 99 = 100?

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Answer: 1

SubType
complement-of-9
Total
100
KnownAddend
99
Difficulty
normal

Find the complement to 100: 21 + __ = 100

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Answer: 79

SubType
complement-of-9
Total
100
KnownAddend
21
Difficulty
normal