Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 59
Complete the number bond: 10 = 4 + __
Show answer
Answer: 6
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 4
- MissingPart
- 6
- Difficulty
- normal
16 = __ + 12
Show answer
Answer: 4
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 12
- MissingPart
- 4
- Difficulty
- normal
Number bond: 7 = ? + 6
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 6
- MissingPart
- 1
- Difficulty
- normal
20 = __ + 9
Show answer
Answer: 11
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 9
- MissingPart
- 11
- Difficulty
- normal
Number bond: 10 = ? + 9
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 9
- MissingPart
- 1
- Difficulty
- normal
Number bond: 2 = ? + 1
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 9 = 3 + __
Show answer
Answer: 6
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 3
- MissingPart
- 6
- Difficulty
- normal
16 = 9 + __
Show answer
Answer: 7
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 9
- MissingPart
- 7
- Difficulty
- normal
Teaching Notes
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