Workbook Detail
Number Sense Complements Complement Of 100 — Set 50
__ + 5 = 10
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Answer: 5
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal
__ + 13 = 20
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Answer: 7
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 13
- Difficulty
- normal
What number + 2 = 10?
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Answer: 8
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
__ + 18 = 20
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Answer: 2
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 18
- Difficulty
- normal
Find the complement to 10: 9 + __ = 10
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Answer: 1
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
__ + 3 = 10
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Answer: 7
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 3
- Difficulty
- normal
__ + 7 = 10
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Answer: 3
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 7
- Difficulty
- normal
What number + 1 = 10?
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Answer: 9
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 1
- Difficulty
- normal
Find the complement to 20: 19 + __ = 20
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Answer: 1
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 19
- Difficulty
- normal
Find the complement to 20: 16 + __ = 20
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Answer: 4
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 16
- Difficulty
- normal
__ + 9 = 20
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Answer: 11
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 9
- Difficulty
- normal
Find the complement to 100: 41 + __ = 100
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Answer: 59
- SubType
- complement-of-100
- Total
- 100
- KnownAddend
- 41
- Difficulty
- normal
Find the complement to 20: 6 + __ = 20
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Answer: 14
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 6
- Difficulty
- normal
Find the complement to 20: 4 + __ = 20
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Answer: 16
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
What number + 8 = 10?
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Answer: 2
- SubType
- complement-of-100
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
What number + 16 = 20?
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Answer: 4
- SubType
- complement-of-100
- Total
- 20
- KnownAddend
- 16
- Difficulty
- normal