easy Set 42 Form Exercise

What number + 6 = 20?

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Answer: 14

SubType
complement-of-9
Total
20
KnownAddend
6
Difficulty
normal

Find the complement to 100: 89 + __ = 100

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Answer: 11

SubType
complement-of-9
Total
100
KnownAddend
89
Difficulty
normal

What number + 16 = 20?

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Answer: 4

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

Find the complement to 100: 28 + __ = 100

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Answer: 72

SubType
complement-of-9
Total
100
KnownAddend
28
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 10: 2 + __ = 10

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Answer: 8

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

__ + 9 = 10

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Answer: 1

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

What number + 8 = 20?

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Answer: 12

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

__ + 18 = 100

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Answer: 82

SubType
complement-of-9
Total
100
KnownAddend
18
Difficulty
normal

Find the complement to 20: 11 + __ = 20

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Answer: 9

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

__ + 5 = 10

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Answer: 5

SubType
complement-of-9
Total
10
KnownAddend
5
Difficulty
normal

What number + 10 = 100?

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Answer: 90

SubType
complement-of-9
Total
100
KnownAddend
10
Difficulty
normal

Find the complement to 20: 13 + __ = 20

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Answer: 7

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

What number + 1 = 10?

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Answer: 9

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

__ + 7 = 10

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Answer: 3

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

Find the complement to 100: 26 + __ = 100

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Answer: 74

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

Find the complement to 100: 94 + __ = 100

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Answer: 6

SubType
complement-of-9
Total
100
KnownAddend
94
Difficulty
normal

__ + 4 = 10

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Answer: 6

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

What number + 8 = 10?

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Answer: 2

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