Workbook Detail
Number Sense Complements Complement Of 9 — Set 91
__ + 15 = 20
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Answer: 5
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 15
- Difficulty
- normal
What number + 8 = 10?
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Answer: 2
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
__ + 28 = 100
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Answer: 72
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 28
- Difficulty
- normal
__ + 9 = 20
Show answer
Answer: 11
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 9
- 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
__ + 16 = 100
Show answer
Answer: 84
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 16
- Difficulty
- normal
__ + 5 = 10
Show answer
Answer: 5
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 5
- Difficulty
- normal
__ + 2 = 10
Show answer
Answer: 8
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
Find the complement to 20: 19 + __ = 20
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Answer: 1
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 19
- Difficulty
- normal
What number + 14 = 20?
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Answer: 6
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 14
- Difficulty
- normal
__ + 4 = 10
Show answer
Answer: 6
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 4
- Difficulty
- normal
__ + 5 = 20
Show answer
Answer: 15
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 5
- Difficulty
- normal
__ + 49 = 100
Show answer
Answer: 51
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 49
- Difficulty
- normal
Find the complement to 100: 63 + __ = 100
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Answer: 37
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 63
- 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
Find the complement to 20: 14 + __ = 20
Show answer
Answer: 6
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 14
- Difficulty
- normal
__ + 8 = 10
Show answer
Answer: 2
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
Find the complement to 100: 91 + __ = 100
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Answer: 9
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 91
- Difficulty
- normal
What number + 89 = 100?
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Answer: 11
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 89
- Difficulty
- normal
__ + 2 = 100
Show answer
Answer: 98
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 2
- Difficulty
- normal