easy Set 40 Form Exercise

Find the complement to 20: 7 + __ = 20

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Answer: 13

SubType
complement-of-100
Total
20
KnownAddend
7
Difficulty
normal

What number + 7 = 10?

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Answer: 3

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

What number + 81 = 100?

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Answer: 19

SubType
complement-of-100
Total
100
KnownAddend
81
Difficulty
normal

What number + 75 = 100?

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Answer: 25

SubType
complement-of-100
Total
100
KnownAddend
75
Difficulty
normal

What number + 8 = 10?

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Answer: 2

SubType
complement-of-100
Total
10
KnownAddend
8
Difficulty
normal

Find the complement to 20: 18 + __ = 20

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Answer: 2

SubType
complement-of-100
Total
20
KnownAddend
18
Difficulty
normal

What number + 94 = 100?

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Answer: 6

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

What number + 15 = 20?

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Answer: 5

SubType
complement-of-100
Total
20
KnownAddend
15
Difficulty
normal

What number + 4 = 20?

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Answer: 16

SubType
complement-of-100
Total
20
KnownAddend
4
Difficulty
normal

__ + 8 = 10

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Answer: 2

SubType
complement-of-100
Total
10
KnownAddend
8
Difficulty
normal

Find the complement to 100: 74 + __ = 100

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Answer: 26

SubType
complement-of-100
Total
100
KnownAddend
74
Difficulty
normal

__ + 19 = 20

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Answer: 1

SubType
complement-of-100
Total
20
KnownAddend
19
Difficulty
normal

What number + 72 = 100?

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Answer: 28

SubType
complement-of-100
Total
100
KnownAddend
72
Difficulty
normal

What number + 6 = 10?

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Answer: 4

SubType
complement-of-100
Total
10
KnownAddend
6
Difficulty
normal

What number + 16 = 20?

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Answer: 4

SubType
complement-of-100
Total
20
KnownAddend
16
Difficulty
normal

__ + 9 = 10

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Answer: 1

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

Find the complement to 20: 16 + __ = 20

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Answer: 4

SubType
complement-of-100
Total
20
KnownAddend
16
Difficulty
normal

Find the complement to 10: 5 + __ = 10

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Answer: 5

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