Workbook Detail
Number Sense Complements Complement Of 9 — Set 99
What number + 17 = 20?
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Answer: 3
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
What number + 2 = 20?
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Answer: 18
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 2
- 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
__ + 31 = 100
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Answer: 69
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 31
- Difficulty
- normal
What number + 80 = 100?
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Answer: 20
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 80
- Difficulty
- normal
__ + 6 = 10
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Answer: 4
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 6
- Difficulty
- normal
What number + 42 = 100?
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Answer: 58
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 42
- Difficulty
- normal
What number + 15 = 20?
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Answer: 5
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 15
- Difficulty
- normal
Find the complement to 10: 5 + __ = 10
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Answer: 5
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal
__ + 1 = 10
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Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- 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 + 4 = 20?
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Answer: 16
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
Find the complement to 20: 2 + __ = 20
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Answer: 18
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 2
- Difficulty
- normal
What number + 5 = 100?
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Answer: 95
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 5
- Difficulty
- normal
__ + 16 = 20
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Answer: 4
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 16
- Difficulty
- normal
What number + 1 = 10?
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Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- Difficulty
- normal
What number + 5 = 10?
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Answer: 5
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal
__ + 5 = 20
Show answer
Answer: 15
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 5
- Difficulty
- normal