Workbook Detail
Number Sense Complements Complement Of 9 — Set 18
What number + 3 = 20?
Show answer
Answer: 17
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 3
- Difficulty
- normal
What number + 26 = 100?
Show answer
Answer: 74
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 26
- Difficulty
- normal
Find the complement to 20: 12 + __ = 20
Show answer
Answer: 8
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 12
- Difficulty
- normal
What number + 10 = 20?
Show answer
Answer: 10
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 10
- Difficulty
- normal
What number + 9 = 10?
Show answer
Answer: 1
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
__ + 9 = 10
Show answer
Answer: 1
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 9
- Difficulty
- normal
__ + 8 = 20
Show answer
Answer: 12
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 8
- Difficulty
- normal
What number + 51 = 100?
Show answer
Answer: 49
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 51
- Difficulty
- normal
What number + 8 = 10?
Show answer
Answer: 2
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
Find the complement to 20: 8 + __ = 20
Show answer
Answer: 12
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 8
- Difficulty
- normal
__ + 11 = 20
Show answer
Answer: 9
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 11
- Difficulty
- normal
What number + 6 = 20?
Show answer
Answer: 14
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 6
- Difficulty
- normal
__ + 79 = 100
Show answer
Answer: 21
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 79
- Difficulty
- normal
__ + 10 = 20
Show answer
Answer: 10
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 10
- Difficulty
- normal
__ + 3 = 10
Show answer
Answer: 7
- SubType
- complement-of-9
- Total
- 10
- KnownAddend
- 3
- Difficulty
- normal
__ + 40 = 100
Show answer
Answer: 60
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 40
- Difficulty
- normal
__ + 4 = 20
Show answer
Answer: 16
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
Find the complement to 100: 31 + __ = 100
Show answer
Answer: 69
- SubType
- complement-of-9
- Total
- 100
- KnownAddend
- 31
- Difficulty
- normal
What number + 7 = 20?
Show answer
Answer: 13
- SubType
- complement-of-9
- Total
- 20
- KnownAddend
- 7
- Difficulty
- normal