Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 27
20 = 1 + __
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Answer: 19
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 1
- MissingPart
- 19
- Difficulty
- normal
20 = __ + 2
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Answer: 18
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 2
- MissingPart
- 18
- Difficulty
- normal
Complete the number bond: 8 = 1 + __
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Answer: 7
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 1
- MissingPart
- 7
- Difficulty
- normal
Number bond: 4 = ? + 1
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Answer: 3
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 1
- MissingPart
- 3
- Difficulty
- normal
Complete the number bond: 15 = 2 + __
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Answer: 13
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 2
- MissingPart
- 13
- Difficulty
- normal
16 = 4 + __
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Answer: 12
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 4
- MissingPart
- 12
- Difficulty
- normal
Complete the number bond: 13 = __ + 5
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Answer: 8
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 5
- MissingPart
- 8
- Difficulty
- normal
Number bond: 11 = ? + 5
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Answer: 6
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 5
- MissingPart
- 6
- Difficulty
- normal
Teaching Notes
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