easy Set 52 Form Exercise

Find the complement to 20: 9 + __ = 20

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Answer: 11

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

__ + 2 = 20

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Answer: 18

SubType
complement-of-9
Total
20
KnownAddend
2
Difficulty
normal

__ + 3 = 10

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Answer: 7

SubType
complement-of-9
Total
10
KnownAddend
3
Difficulty
normal

What number + 10 = 20?

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Answer: 10

SubType
complement-of-9
Total
20
KnownAddend
10
Difficulty
normal

Find the complement to 20: 16 + __ = 20

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Answer: 4

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

__ + 2 = 10

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Answer: 8

SubType
complement-of-9
Total
10
KnownAddend
2
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

What number + 7 = 20?

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Answer: 13

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

Find the complement to 10: 6 + __ = 10

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Answer: 4

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

What number + 18 = 20?

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Answer: 2

SubType
complement-of-9
Total
20
KnownAddend
18
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

__ + 6 = 20

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Answer: 14

SubType
complement-of-9
Total
20
KnownAddend
6
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

__ + 1 = 10

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Answer: 9

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

What number + 86 = 100?

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Answer: 14

SubType
complement-of-9
Total
100
KnownAddend
86
Difficulty
normal

What number + 6 = 20?

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Answer: 14

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

What number + 47 = 100?

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Answer: 53

SubType
complement-of-9
Total
100
KnownAddend
47
Difficulty
normal

__ + 9 = 10

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Answer: 1

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