easy Set 78 Form Exercise

What number + 1 = 10?

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Answer: 9

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

Find the complement to 10: 1 + __ = 10

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Answer: 9

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

What number + 2 = 20?

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Answer: 18

SubType
complement-of-10
Total
20
KnownAddend
2
Difficulty
normal

Find the complement to 20: 18 + __ = 20

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Answer: 2

SubType
complement-of-10
Total
20
KnownAddend
18
Difficulty
normal

Find the complement to 100: 65 + __ = 100

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Answer: 35

SubType
complement-of-10
Total
100
KnownAddend
65
Difficulty
normal

Find the complement to 20: 5 + __ = 20

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Answer: 15

SubType
complement-of-10
Total
20
KnownAddend
5
Difficulty
normal

__ + 1 = 10

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Answer: 9

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

What number + 11 = 20?

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Answer: 9

SubType
complement-of-10
Total
20
KnownAddend
11
Difficulty
normal

Find the complement to 20: 2 + __ = 20

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Answer: 18

SubType
complement-of-10
Total
20
KnownAddend
2
Difficulty
normal

What number + 9 = 20?

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Answer: 11

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

Find the complement to 100: 7 + __ = 100

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Answer: 93

SubType
complement-of-10
Total
100
KnownAddend
7
Difficulty
normal

__ + 9 = 20

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Answer: 11

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

__ + 11 = 20

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Answer: 9

SubType
complement-of-10
Total
20
KnownAddend
11
Difficulty
normal

__ + 1 = 20

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Answer: 19

SubType
complement-of-10
Total
20
KnownAddend
1
Difficulty
normal

__ + 20 = 100

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Answer: 80

SubType
complement-of-10
Total
100
KnownAddend
20
Difficulty
normal

Find the complement to 20: 14 + __ = 20

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Answer: 6

SubType
complement-of-10
Total
20
KnownAddend
14
Difficulty
normal

What number + 5 = 100?

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Answer: 95

SubType
complement-of-10
Total
100
KnownAddend
5
Difficulty
normal

__ + 3 = 10

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Answer: 7

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

What number + 12 = 100?

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Answer: 88

SubType
complement-of-10
Total
100
KnownAddend
12
Difficulty
normal