Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 74
2 = 1 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 20 = 2 + __
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Answer: 18
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 2
- MissingPart
- 18
- Difficulty
- normal
20 = __ + 7
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Answer: 13
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 7
- MissingPart
- 13
- Difficulty
- normal
Number bond: 16 = ? + 6
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Answer: 10
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 6
- MissingPart
- 10
- Difficulty
- normal
10 = __ + 5
Show answer
Answer: 5
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 5
- MissingPart
- 5
- Difficulty
- normal
Complete the number bond: 2 = 1 + __
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Number bond: 16 = ? + 5
Show answer
Answer: 11
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 5
- MissingPart
- 11
- Difficulty
- normal
Number bond: 7 = 6 + ?
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 6
- MissingPart
- 1
- Difficulty
- normal
Teaching Notes
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