Workbook Detail
Number Sense Complements Complement Of 9 — Set 63
Find the complement to 20: 14 + __ = 20
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Answer: 6
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 14
- Difficulty
- normal
__ + 27 = 100
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Answer: 73
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 27
- Difficulty
- normal
What number + 4 = 20?
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Answer: 16
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
What number + 65 = 100?
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Answer: 35
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 65
- Difficulty
- normal
What number + 5 = 20?
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Answer: 15
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 5
- Difficulty
- normal
What number + 15 = 100?
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Answer: 85
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 15
- Difficulty
- normal
__ + 1 = 20
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Answer: 19
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 1
- Difficulty
- normal
__ + 15 = 20
Show answer
Answer: 5
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 15
- 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: 8 + __ = 20
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Answer: 12
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 8
- Difficulty
- normal
What number + 6 = 10?
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Answer: 4
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 6
- Difficulty
- normal
__ + 3 = 100
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Answer: 97
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 3
- Difficulty
- normal
Find the complement to 100: 51 + __ = 100
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Answer: 49
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 51
- Difficulty
- normal
__ + 5 = 20
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Answer: 15
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 5
- Difficulty
- normal
Find the complement to 100: 57 + __ = 100
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Answer: 43
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 57
- Difficulty
- normal
Find the complement to 100: 29 + __ = 100
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Answer: 71
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 29
- Difficulty
- normal
What number + 6 = 100?
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Answer: 94
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 6
- Difficulty
- normal
__ + 2 = 10
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Answer: 8
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
__ + 18 = 20
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Answer: 2
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 18
- Difficulty
- normal
What number + 31 = 100?
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Answer: 69
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 31
- Difficulty
- normal