easy Set 100 Form Exercise

__ + 5 = 20

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Answer: 15

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

__ + 6 = 10

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Answer: 4

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

Find the complement to 20: 7 + __ = 20

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Answer: 13

SubType
complement-of-10
Total
20
KnownAddend
7
Difficulty
normal

__ + 77 = 100

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Answer: 23

SubType
complement-of-10
Total
100
KnownAddend
77
Difficulty
normal

__ + 11 = 20

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Answer: 9

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

__ + 9 = 10

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Answer: 1

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

Find the complement to 100: 83 + __ = 100

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Answer: 17

SubType
complement-of-10
Total
100
KnownAddend
83
Difficulty
normal

__ + 65 = 100

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Answer: 35

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

What number + 7 = 10?

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Answer: 3

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

Find the complement to 20: 9 + __ = 20

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Answer: 11

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

What number + 12 = 20?

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Answer: 8

SubType
complement-of-10
Total
20
KnownAddend
12
Difficulty
normal

__ + 8 = 20

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Answer: 12

SubType
complement-of-10
Total
20
KnownAddend
8
Difficulty
normal

What number + 11 = 20?

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Answer: 9

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

What number + 15 = 20?

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Answer: 5

SubType
complement-of-10
Total
20
KnownAddend
15
Difficulty
normal

Find the complement to 20: 3 + __ = 20

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Answer: 17

SubType
complement-of-10
Total
20
KnownAddend
3
Difficulty
normal

Find the complement to 20: 8 + __ = 20

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Answer: 12

SubType
complement-of-10
Total
20
KnownAddend
8
Difficulty
normal

__ + 7 = 20

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Answer: 13

SubType
complement-of-10
Total
20
KnownAddend
7
Difficulty
normal

Find the complement to 10: 4 + __ = 10

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Answer: 6

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