easy Set 13 Form Exercise

__ + 10 = 20

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Answer: 10

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

What number + 4 = 10?

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Answer: 6

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

__ + 55 = 100

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Answer: 45

SubType
complement-of-10
Total
100
KnownAddend
55
Difficulty
normal

What number + 3 = 10?

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Answer: 7

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

Find the complement to 100: 1 + __ = 100

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Answer: 99

SubType
complement-of-10
Total
100
KnownAddend
1
Difficulty
normal

__ + 3 = 20

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Answer: 17

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

__ + 4 = 20

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Answer: 16

SubType
complement-of-10
Total
20
KnownAddend
4
Difficulty
normal

Find the complement to 100: 49 + __ = 100

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Answer: 51

SubType
complement-of-10
Total
100
KnownAddend
49
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

Find the complement to 10: 3 + __ = 10

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Answer: 7

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

__ + 22 = 100

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Answer: 78

SubType
complement-of-10
Total
100
KnownAddend
22
Difficulty
normal

Find the complement to 10: 6 + __ = 10

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Answer: 4

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

__ + 5 = 20

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Answer: 15

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

Find the complement to 10: 5 + __ = 10

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Answer: 5

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

__ + 2 = 10

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Answer: 8

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

What number + 10 = 20?

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Answer: 10

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

What number + 8 = 10?

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Answer: 2

SubType
complement-of-10
Total
10
KnownAddend
8
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

__ + 85 = 100

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Answer: 15

SubType
complement-of-10
Total
100
KnownAddend
85
Difficulty
normal