Workbook Detail
Number Sense Complements Complement Of 9 — Set 81
Find the complement to 20: 11 + __ = 20
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Answer: 9
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 11
- Difficulty
- normal
What number + 4 = 10?
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Answer: 6
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 4
- Difficulty
- normal
Find the complement to 20: 16 + __ = 20
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Answer: 4
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 16
- Difficulty
- normal
__ + 75 = 100
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Answer: 25
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 75
- Difficulty
- normal
What number + 5 = 20?
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Answer: 15
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 5
- Difficulty
- normal
Find the complement to 100: 90 + __ = 100
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Answer: 10
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 90
- Difficulty
- normal
What number + 3 = 10?
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Answer: 7
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 3
- Difficulty
- normal
Find the complement to 100: 64 + __ = 100
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Answer: 36
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 64
- Difficulty
- normal
__ + 9 = 10
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Answer: 1
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
Find the complement to 10: 7 + __ = 10
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Answer: 3
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 7
- Difficulty
- normal
__ + 99 = 100
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Answer: 1
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 99
- Difficulty
- normal
__ + 94 = 100
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Answer: 6
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 94
- Difficulty
- normal
Find the complement to 100: 20 + __ = 100
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Answer: 80
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 20
- Difficulty
- normal
What number + 46 = 100?
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Answer: 54
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 46
- Difficulty
- normal
What number + 80 = 100?
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Answer: 20
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 80
- Difficulty
- normal
__ + 14 = 20
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Answer: 6
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 14
- Difficulty
- normal
What number + 18 = 20?
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Answer: 2
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 18
- Difficulty
- normal
What number + 11 = 20?
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Answer: 9
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 11
- Difficulty
- normal
What number + 5 = 10?
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Answer: 5
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal