easy Set 66 Form Exercise

What number + 14 = 20?

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Answer: 6

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

What number + 6 = 20?

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Answer: 14

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

__ + 14 = 20

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Answer: 6

SubType
complement-of-9
Total
20
KnownAddend
14
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

__ + 6 = 20

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Answer: 14

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

__ + 99 = 100

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Answer: 1

SubType
complement-of-9
Total
100
KnownAddend
99
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 + 10 = 20?

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Answer: 10

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

__ + 1 = 100

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Answer: 99

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

__ + 91 = 100

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Answer: 9

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

Find the complement to 20: 3 + __ = 20

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Answer: 17

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

Find the complement to 100: 63 + __ = 100

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Answer: 37

SubType
complement-of-9
Total
100
KnownAddend
63
Difficulty
normal

__ + 1 = 20

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Answer: 19

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

__ + 10 = 20

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Answer: 10

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

__ + 1 = 10

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Answer: 9

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

What number + 8 = 20?

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Answer: 12

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

What number + 40 = 100?

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Answer: 60

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

__ + 3 = 20

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Answer: 17

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

What number + 5 = 100?

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Answer: 95

SubType
complement-of-9
Total
100
KnownAddend
5
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