Workbook Detail
Number Sense Complements Complement Of 9 — Set 69
Find the complement to 20: 17 + __ = 20
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Answer: 3
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
__ + 9 = 10
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Answer: 1
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
__ + 40 = 100
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Answer: 60
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 40
- Difficulty
- normal
__ + 5 = 10
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Answer: 5
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal
Find the complement to 100: 6 + __ = 100
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Answer: 94
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 6
- Difficulty
- normal
__ + 99 = 100
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Answer: 1
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 99
- Difficulty
- normal
__ + 4 = 10
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Answer: 6
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 4
- Difficulty
- normal
Find the complement to 20: 14 + __ = 20
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Answer: 6
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 14
- Difficulty
- normal
What number + 1 = 10?
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Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- Difficulty
- normal
What number + 8 = 20?
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Answer: 12
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 8
- Difficulty
- normal
Find the complement to 100: 50 + __ = 100
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Answer: 50
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 50
- Difficulty
- normal
__ + 17 = 20
Show answer
Answer: 3
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
__ + 4 = 20
Show answer
Answer: 16
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
__ + 1 = 10
Show answer
Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- Difficulty
- normal
__ + 15 = 100
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Answer: 85
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 15
- Difficulty
- normal
__ + 89 = 100
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Answer: 11
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 89
- Difficulty
- normal
Find the complement to 10: 3 + __ = 10
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Answer: 7
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 3
- Difficulty
- normal