Workbook Detail
Number Sense Complements Complement Of 9 — Set 86
Find the complement to 20: 9 + __ = 20
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Answer: 11
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 9
- Difficulty
- normal
__ + 95 = 100
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Answer: 5
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 95
- Difficulty
- normal
What number + 8 = 20?
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Answer: 12
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 8
- Difficulty
- normal
What number + 10 = 20?
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Answer: 10
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 10
- Difficulty
- normal
__ + 56 = 100
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Answer: 44
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 56
- Difficulty
- normal
__ + 15 = 20
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Answer: 5
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 15
- Difficulty
- normal
__ + 6 = 10
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Answer: 4
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 6
- Difficulty
- normal
__ + 1 = 10
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Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- 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 20: 13 + __ = 20
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Answer: 7
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 13
- Difficulty
- normal
Find the complement to 100: 39 + __ = 100
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Answer: 61
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 39
- Difficulty
- normal
__ + 17 = 20
Show answer
Answer: 3
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
__ + 2 = 10
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Answer: 8
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
Find the complement to 10: 2 + __ = 10
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Answer: 8
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
Find the complement to 100: 80 + __ = 100
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Answer: 20
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 80
- Difficulty
- normal
__ + 22 = 100
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Answer: 78
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 22
- Difficulty
- normal
Find the complement to 100: 4 + __ = 100
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Answer: 96
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 4
- Difficulty
- normal
What number + 17 = 20?
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Answer: 3
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
Find the complement to 100: 94 + __ = 100
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Answer: 6
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 94
- Difficulty
- normal