Workbook Detail
Number Sense Complements Complement Of 9 — Set 14
Find the complement to 100: 93 + __ = 100
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Answer: 7
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 93
- Difficulty
- normal
Find the complement to 20: 19 + __ = 20
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Answer: 1
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 19
- Difficulty
- normal
What number + 2 = 10?
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Answer: 8
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
What number + 8 = 20?
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Answer: 12
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 8
- Difficulty
- normal
Find the complement to 100: 75 + __ = 100
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Answer: 25
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 75
- Difficulty
- normal
__ + 72 = 100
Show answer
Answer: 28
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 72
- Difficulty
- normal
__ + 8 = 100
Show answer
Answer: 92
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 8
- 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 20: 2 + __ = 20
Show answer
Answer: 18
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 2
- Difficulty
- normal
__ + 2 = 10
Show answer
Answer: 8
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
__ + 10 = 20
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Answer: 10
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 10
- Difficulty
- normal
What number + 16 = 20?
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Answer: 4
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 16
- Difficulty
- normal
What number + 7 = 10?
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Answer: 3
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 7
- Difficulty
- normal
Find the complement to 20: 18 + __ = 20
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Answer: 2
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 18
- 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
__ + 15 = 20
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Answer: 5
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 15
- Difficulty
- normal
__ + 2 = 20
Show answer
Answer: 18
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 2
- Difficulty
- normal
What number + 1 = 20?
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Answer: 19
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 1
- Difficulty
- normal