Workbook Detail
Number Sense Complements Complement Of 9 — Set 71
__ + 5 = 10
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Answer: 5
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal
__ + 20 = 100
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Answer: 80
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 20
- Difficulty
- normal
Find the complement to 20: 17 + __ = 20
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Answer: 3
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
Find the complement to 10: 8 + __ = 10
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Answer: 2
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
What number + 9 = 10?
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Answer: 1
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
Find the complement to 20: 10 + __ = 20
Show answer
Answer: 10
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 10
- Difficulty
- normal
What number + 30 = 100?
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Answer: 70
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 30
- Difficulty
- normal
Find the complement to 100: 17 + __ = 100
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Answer: 83
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 17
- Difficulty
- normal
What number + 13 = 20?
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Answer: 7
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 13
- Difficulty
- normal
Find the complement to 20: 6 + __ = 20
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Answer: 14
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 6
- Difficulty
- normal
What number + 2 = 10?
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Answer: 8
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
Find the complement to 10: 4 + __ = 10
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Answer: 6
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 4
- Difficulty
- normal
What number + 87 = 100?
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Answer: 13
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 87
- Difficulty
- normal
What number + 74 = 100?
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Answer: 26
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 74
- 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
What number + 33 = 100?
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Answer: 67
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 33
- Difficulty
- normal
__ + 8 = 20
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Answer: 12
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 8
- Difficulty
- normal
Find the complement to 100: 40 + __ = 100
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Answer: 60
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 40
- Difficulty
- normal
What number + 5 = 10?
Show answer
Answer: 5
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal