Workbook Detail
Number Sense Complements Complement Of 9 — Set 80
Find the complement to 20: 9 + __ = 20
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Answer: 11
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 9
- Difficulty
- normal
__ + 6 = 10
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Answer: 4
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 6
- Difficulty
- normal
Find the complement to 10: 1 + __ = 10
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Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- Difficulty
- normal
What number + 6 = 10?
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Answer: 4
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 6
- 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 100: 43 + __ = 100
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Answer: 57
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 43
- Difficulty
- normal
__ + 3 = 20
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Answer: 17
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 3
- Difficulty
- normal
What number + 15 = 20?
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Answer: 5
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 15
- Difficulty
- normal
__ + 1 = 20
Show answer
Answer: 19
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 1
- Difficulty
- normal
__ + 9 = 10
Show answer
Answer: 1
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
What number + 1 = 10?
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Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- 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
__ + 44 = 100
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Answer: 56
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 44
- Difficulty
- normal
What number + 68 = 100?
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Answer: 32
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 68
- Difficulty
- normal
__ + 13 = 20
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Answer: 7
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 13
- Difficulty
- normal
What number + 3 = 20?
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Answer: 17
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 3
- Difficulty
- normal
What number + 12 = 20?
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Answer: 8
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 12
- Difficulty
- normal
__ + 10 = 20
Show answer
Answer: 10
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 10
- Difficulty
- normal