Workbook Detail
Number Bonds Addition Within 20 Fill One — Set 21
7 = __ + 4
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Answer: 3
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 4
- MissingPart
- 3
- Difficulty
- normal
19 = 15 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 15
- MissingPart
- 4
- Difficulty
- normal
20 = 19 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 19
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 5 = 3 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 3
- MissingPart
- 2
- Difficulty
- normal
Complete the number bond: 4 = 2 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
Number bond: 2 = ? + 1
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Number bond: 3 = 2 + ?
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Answer: 1
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 2
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 20 = __ + 1
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Answer: 19
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 1
- MissingPart
- 19
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
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