Workbook Detail
Number Sense Complements Complement Of 10 — Set 31
__ + 18 = 20
Show answer
Answer: 2
- SubType
- complement-of-10
- Total
- 20
- KnownAddend
- 18
- Difficulty
- normal
What number + 8 = 10?
Show answer
Answer: 2
- SubType
- complement-of-10
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
Find the complement to 20: 4 + __ = 20
Show answer
Answer: 16
- SubType
- complement-of-10
- Total
- 20
- KnownAddend
- 4
- Difficulty
- normal
__ + 96 = 100
Show answer
Answer: 4
- SubType
- complement-of-10
- Total
- 100
- KnownAddend
- 96
- Difficulty
- normal
What number + 43 = 100?
Show answer
Answer: 57
- SubType
- complement-of-10
- Total
- 100
- KnownAddend
- 43
- Difficulty
- normal
What number + 19 = 20?
Show answer
Answer: 1
- SubType
- complement-of-10
- Total
- 20
- KnownAddend
- 19
- Difficulty
- normal
__ + 8 = 10
Show answer
Answer: 2
- SubType
- complement-of-10
- Total
- 10
- KnownAddend
- 8
- Difficulty
- normal
Find the complement to 10: 2 + __ = 10
Show answer
Answer: 8
- SubType
- complement-of-10
- Total
- 10
- KnownAddend
- 2
- Difficulty
- normal
Find the complement to 100: 68 + __ = 100
Show answer
Answer: 32
- SubType
- complement-of-10
- Total
- 100
- KnownAddend
- 68
- Difficulty
- normal
Find the complement to 100: 32 + __ = 100
Show answer
Answer: 68
- SubType
- complement-of-10
- Total
- 100
- KnownAddend
- 32
- Difficulty
- normal
What number + 57 = 100?
Show answer
Answer: 43
- SubType
- complement-of-10
- Total
- 100
- KnownAddend
- 57
- Difficulty
- normal
Find the complement to 20: 3 + __ = 20
Show answer
Answer: 17
- SubType
- complement-of-10
- Total
- 20
- KnownAddend
- 3
- Difficulty
- normal
What number + 10 = 20?
Show answer
Answer: 10
- SubType
- complement-of-10
- Total
- 20
- KnownAddend
- 10
- Difficulty
- normal
What number + 11 = 20?
Show answer
Answer: 9
- SubType
- complement-of-10
- Total
- 20
- KnownAddend
- 11
- Difficulty
- normal
What number + 53 = 100?
Show answer
Answer: 47
- SubType
- complement-of-10
- Total
- 100
- KnownAddend
- 53
- Difficulty
- normal
What number + 17 = 20?
Show answer
Answer: 3
- SubType
- complement-of-10
- Total
- 20
- KnownAddend
- 17
- Difficulty
- normal
Find the complement to 100: 11 + __ = 100
Show answer
Answer: 89
- SubType
- complement-of-10
- Total
- 100
- KnownAddend
- 11
- Difficulty
- normal
__ + 83 = 100
Show answer
Answer: 17
- SubType
- complement-of-10
- Total
- 100
- KnownAddend
- 83
- Difficulty
- normal
Find the complement to 20: 13 + __ = 20
Show answer
Answer: 7
- SubType
- complement-of-10
- Total
- 20
- KnownAddend
- 13
- Difficulty
- normal