Workbook Detail
Number Bonds Addition Within 20 Fill One — Set 43
Complete the number bond: 4 = __ + 3
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Answer: 1
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 3
- MissingPart
- 1
- Difficulty
- normal
2 = 1 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 19 = __ + 12
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Answer: 7
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 12
- MissingPart
- 7
- Difficulty
- normal
Number bond: 14 = 2 + ?
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Answer: 12
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 2
- MissingPart
- 12
- Difficulty
- normal
Number bond: 5 = ? + 4
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Answer: 1
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 4
- MissingPart
- 1
- Difficulty
- normal
Number bond: 16 = ? + 9
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Answer: 7
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 9
- MissingPart
- 7
- Difficulty
- normal
Number bond: 10 = 7 + ?
Show answer
Answer: 3
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 7
- MissingPart
- 3
- Difficulty
- normal
Complete the number bond: 20 = 7 + __
Show answer
Answer: 13
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 7
- MissingPart
- 13
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
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