Workbook Detail
Number Sense Complements Complement Of 9 — Set 27
__ + 9 = 20
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Answer: 11
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 9
- Difficulty
- normal
What number + 4 = 10?
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Answer: 6
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 4
- Difficulty
- normal
__ + 11 = 20
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Answer: 9
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 11
- Difficulty
- normal
What number + 44 = 100?
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Answer: 56
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 44
- Difficulty
- normal
__ + 70 = 100
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Answer: 30
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 70
- Difficulty
- normal
Find the complement to 20: 9 + __ = 20
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Answer: 11
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 9
- Difficulty
- normal
Find the complement to 100: 97 + __ = 100
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Answer: 3
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 97
- 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
__ + 7 = 20
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Answer: 13
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 7
- Difficulty
- normal
Find the complement to 100: 59 + __ = 100
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Answer: 41
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 59
- Difficulty
- normal
__ + 3 = 10
Show answer
Answer: 7
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 3
- Difficulty
- normal
__ + 5 = 10
Show answer
Answer: 5
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal
__ + 1 = 20
Show answer
Answer: 19
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 1
- Difficulty
- normal
__ + 4 = 10
Show answer
Answer: 6
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 4
- Difficulty
- normal
Find the complement to 100: 53 + __ = 100
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Answer: 47
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 53
- Difficulty
- normal
__ + 2 = 20
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Answer: 18
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 2
- Difficulty
- normal
Find the complement to 10: 9 + __ = 10
Show answer
Answer: 1
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
Find the complement to 20: 4 + __ = 20
Show answer
Answer: 16
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
__ + 29 = 100
Show answer
Answer: 71
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 29
- Difficulty
- normal
__ + 28 = 100
Show answer
Answer: 72
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 28
- Difficulty
- normal