Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 12
Complete the number bond: 13 = __ + 6
Show answer
Answer: 7
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 6
- MissingPart
- 7
- Difficulty
- normal
18 = __ + 15
Show answer
Answer: 3
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 15
- MissingPart
- 3
- Difficulty
- normal
Number bond: 19 = ? + 13
Show answer
Answer: 6
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 13
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 10 = 9 + __
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 9
- MissingPart
- 1
- Difficulty
- normal
20 = __ + 9
Show answer
Answer: 11
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 9
- MissingPart
- 11
- Difficulty
- normal
Number bond: 20 = 13 + ?
Show answer
Answer: 7
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 13
- MissingPart
- 7
- Difficulty
- normal
Number bond: 13 = 4 + ?
Show answer
Answer: 9
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 4
- MissingPart
- 9
- Difficulty
- normal
6 = __ + 1
Show answer
Answer: 5
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 1
- MissingPart
- 5
- Difficulty
- normal