Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 20
Complete the number bond: 18 = __ + 1
Show answer
Answer: 17
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 1
- MissingPart
- 17
- Difficulty
- normal
Number bond: 11 = ? + 1
Show answer
Answer: 10
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 1
- MissingPart
- 10
- Difficulty
- normal
Number bond: 19 = ? + 11
Show answer
Answer: 8
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 11
- MissingPart
- 8
- Difficulty
- normal
Number bond: 7 = ? + 6
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 6
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 4 = __ + 2
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
Number bond: 11 = 2 + ?
Show answer
Answer: 9
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 2
- MissingPart
- 9
- Difficulty
- normal
Complete the number bond: 5 = __ + 2
Show answer
Answer: 3
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 2
- MissingPart
- 3
- Difficulty
- normal
Complete the number bond: 15 = __ + 10
Show answer
Answer: 5
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 10
- MissingPart
- 5
- Difficulty
- normal