Workbook Detail
Number Sense Complements Complement Of 100 — Set 18
Find the complement to 20: 19 + __ = 20
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Answer: 1
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 19
- Difficulty
- normal
Find the complement to 20: 2 + __ = 20
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Answer: 18
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 2
- Difficulty
- normal
__ + 17 = 20
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Answer: 3
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
What number + 39 = 100?
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Answer: 61
- SubType
- complement-of-100
- Total
- 100
- KnownAddend
- 39
- Difficulty
- normal
Find the complement to 10: 7 + __ = 10
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Answer: 3
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 7
- Difficulty
- normal
Find the complement to 20: 13 + __ = 20
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Answer: 7
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 13
- Difficulty
- normal
__ + 8 = 20
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Answer: 12
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 8
- Difficulty
- normal
What number + 17 = 20?
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Answer: 3
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
__ + 6 = 10
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Answer: 4
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 6
- Difficulty
- normal
__ + 2 = 20
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Answer: 18
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 2
- Difficulty
- normal
__ + 4 = 20
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Answer: 16
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
__ + 52 = 100
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Answer: 48
- SubType
- complement-of-100
- Total
- 100
- KnownAddend
- 52
- Difficulty
- normal
Find the complement to 20: 15 + __ = 20
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Answer: 5
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 15
- Difficulty
- normal
Find the complement to 100: 15 + __ = 100
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Answer: 85
- SubType
- complement-of-100
- Total
- 100
- KnownAddend
- 15
- Difficulty
- normal
__ + 44 = 100
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Answer: 56
- SubType
- complement-of-100
- Total
- 100
- KnownAddend
- 44
- Difficulty
- normal
What number + 47 = 100?
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Answer: 53
- SubType
- complement-of-100
- Total
- 100
- KnownAddend
- 47
- Difficulty
- normal
What number + 9 = 20?
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Answer: 11
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 9
- Difficulty
- normal
Find the complement to 100: 42 + __ = 100
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Answer: 58
- SubType
- complement-of-100
- Total
- 100
- KnownAddend
- 42
- Difficulty
- normal
What number + 70 = 100?
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Answer: 30
- SubType
- complement-of-100
- Total
- 100
- KnownAddend
- 70
- Difficulty
- normal