Workbook Detail
Number Sense Complements Complement Of 9 — Set 79
What number + 11 = 20?
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Answer: 9
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 11
- Difficulty
- normal
Find the complement to 20: 12 + __ = 20
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Answer: 8
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 12
- Difficulty
- normal
Find the complement to 100: 81 + __ = 100
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Answer: 19
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 81
- Difficulty
- normal
Find the complement to 10: 4 + __ = 10
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Answer: 6
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 4
- Difficulty
- normal
What number + 2 = 20?
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Answer: 18
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 2
- Difficulty
- normal
__ + 13 = 20
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Answer: 7
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 13
- Difficulty
- normal
Find the complement to 100: 49 + __ = 100
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Answer: 51
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 49
- Difficulty
- normal
Find the complement to 20: 10 + __ = 20
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Answer: 10
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 10
- Difficulty
- normal
What number + 8 = 10?
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Answer: 2
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
What number + 19 = 20?
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Answer: 1
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 19
- Difficulty
- normal
What number + 1 = 10?
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Answer: 9
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 1
- Difficulty
- normal
What number + 16 = 100?
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Answer: 84
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 16
- Difficulty
- normal
Find the complement to 100: 54 + __ = 100
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Answer: 46
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 54
- 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
Find the complement to 20: 6 + __ = 20
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Answer: 14
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 6
- Difficulty
- normal
__ + 5 = 20
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Answer: 15
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 5
- Difficulty
- normal
__ + 4 = 10
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Answer: 6
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 4
- Difficulty
- normal
Find the complement to 100: 8 + __ = 100
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Answer: 92
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 8
- Difficulty
- normal