Workbook Detail
Number Sense Complements Complement Of 9 — Set 15
What number + 13 = 20?
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Answer: 7
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 13
- Difficulty
- normal
__ + 2 = 20
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Answer: 18
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 2
- Difficulty
- normal
What number + 6 = 10?
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Answer: 4
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 6
- Difficulty
- normal
What number + 9 = 10?
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Answer: 1
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
Find the complement to 20: 4 + __ = 20
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Answer: 16
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
__ + 90 = 100
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Answer: 10
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 90
- Difficulty
- normal
Find the complement to 10: 8 + __ = 10
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Answer: 2
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
What number + 6 = 20?
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Answer: 14
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 6
- Difficulty
- normal
What number + 25 = 100?
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Answer: 75
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 25
- Difficulty
- normal
__ + 9 = 20
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Answer: 11
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 9
- Difficulty
- normal
__ + 58 = 100
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Answer: 42
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 58
- Difficulty
- normal
Find the complement to 100: 66 + __ = 100
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Answer: 34
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 66
- Difficulty
- normal
__ + 4 = 20
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Answer: 16
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
__ + 1 = 10
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Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- Difficulty
- normal
Find the complement to 10: 3 + __ = 10
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Answer: 7
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 3
- 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
What number + 8 = 10?
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Answer: 2
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
What number + 16 = 20?
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Answer: 4
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 16
- Difficulty
- normal
__ + 14 = 20
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Answer: 6
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 14
- Difficulty
- normal