easy Set 77 Form Exercise

What number + 8 = 10?

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Answer: 2

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

What number + 19 = 100?

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Answer: 81

SubType
complement-of-10
Total
100
KnownAddend
19
Difficulty
normal

What number + 48 = 100?

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Answer: 52

SubType
complement-of-10
Total
100
KnownAddend
48
Difficulty
normal

What number + 10 = 20?

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Answer: 10

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

Find the complement to 20: 17 + __ = 20

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Answer: 3

SubType
complement-of-10
Total
20
KnownAddend
17
Difficulty
normal

What number + 5 = 10?

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Answer: 5

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

__ + 4 = 10

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Answer: 6

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

__ + 46 = 100

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Answer: 54

SubType
complement-of-10
Total
100
KnownAddend
46
Difficulty
normal

__ + 60 = 100

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Answer: 40

SubType
complement-of-10
Total
100
KnownAddend
60
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

Find the complement to 100: 10 + __ = 100

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Answer: 90

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

What number + 38 = 100?

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Answer: 62

SubType
complement-of-10
Total
100
KnownAddend
38
Difficulty
normal

__ + 19 = 100

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Answer: 81

SubType
complement-of-10
Total
100
KnownAddend
19
Difficulty
normal

Find the complement to 100: 62 + __ = 100

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Answer: 38

SubType
complement-of-10
Total
100
KnownAddend
62
Difficulty
normal

What number + 83 = 100?

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Answer: 17

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

__ + 6 = 20

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Answer: 14

SubType
complement-of-10
Total
20
KnownAddend
6
Difficulty
normal

What number + 2 = 10?

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Answer: 8

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

What number + 8 = 20?

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Answer: 12

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

__ + 8 = 100

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Answer: 92

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