Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 65
Complete the number bond: 20 = 16 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 16
- MissingPart
- 4
- Difficulty
- normal
Number bond: 15 = ? + 4
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Answer: 11
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 4
- MissingPart
- 11
- Difficulty
- normal
7 = 5 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 5
- MissingPart
- 2
- Difficulty
- normal
18 = __ + 7
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Answer: 11
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 7
- MissingPart
- 11
- Difficulty
- normal
Complete the number bond: 8 = 5 + __
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Answer: 3
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 5
- MissingPart
- 3
- Difficulty
- normal
Number bond: 7 = 1 + ?
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Answer: 6
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 1
- MissingPart
- 6
- Difficulty
- normal
12 = __ + 6
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Answer: 6
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 6
- MissingPart
- 6
- Difficulty
- normal
10 = 4 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 4
- MissingPart
- 6
- Difficulty
- normal
Teaching Notes
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