Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 62
Complete the number bond: 12 = __ + 7
Show answer
Answer: 5
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 7
- MissingPart
- 5
- Difficulty
- normal
8 = __ + 6
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 6
- MissingPart
- 2
- Difficulty
- normal
Number bond: 18 = ? + 2
Show answer
Answer: 16
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 2
- MissingPart
- 16
- Difficulty
- normal
20 = 16 + __
Show answer
Answer: 4
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 16
- MissingPart
- 4
- Difficulty
- normal
Number bond: 19 = 18 + ?
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 18
- MissingPart
- 1
- Difficulty
- normal
Number bond: 18 = ? + 8
Show answer
Answer: 10
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 8
- MissingPart
- 10
- Difficulty
- normal
Number bond: 20 = 7 + ?
Show answer
Answer: 13
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 7
- MissingPart
- 13
- Difficulty
- normal
6 = __ + 2
Show answer
Answer: 4
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 2
- MissingPart
- 4
- Difficulty
- normal