easy Set 45 Form Exercise

What number + 17 = 20?

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Answer: 3

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

__ + 4 = 10

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Answer: 6

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

__ + 5 = 10

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Answer: 5

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

__ + 6 = 10

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Answer: 4

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

__ + 12 = 20

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Answer: 8

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

__ + 36 = 100

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Answer: 64

SubType
complement-of-10
Total
100
KnownAddend
36
Difficulty
normal

Find the complement to 100: 20 + __ = 100

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Answer: 80

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

Find the complement to 10: 2 + __ = 10

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Answer: 8

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

What number + 5 = 10?

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Answer: 5

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

Find the complement to 100: 41 + __ = 100

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Answer: 59

SubType
complement-of-10
Total
100
KnownAddend
41
Difficulty
normal

What number + 8 = 20?

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Answer: 12

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

Find the complement to 10: 3 + __ = 10

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Answer: 7

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

What number + 33 = 100?

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Answer: 67

SubType
complement-of-10
Total
100
KnownAddend
33
Difficulty
normal

Find the complement to 100: 33 + __ = 100

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Answer: 67

SubType
complement-of-10
Total
100
KnownAddend
33
Difficulty
normal

What number + 8 = 10?

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Answer: 2

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

__ + 13 = 20

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Answer: 7

SubType
complement-of-10
Total
20
KnownAddend
13
Difficulty
normal

What number + 11 = 20?

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Answer: 9

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

__ + 9 = 20

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Answer: 11

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

Find the complement to 100: 5 + __ = 100

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Answer: 95

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