Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 19
Complete the number bond: 10 = 5 + __
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Answer: 5
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 5
- MissingPart
- 5
- Difficulty
- normal
11 = 2 + __
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Answer: 9
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 2
- MissingPart
- 9
- Difficulty
- normal
Number bond: 4 = 2 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
11 = 3 + __
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Answer: 8
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 3
- MissingPart
- 8
- Difficulty
- normal
Complete the number bond: 16 = 1 + __
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Answer: 15
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 1
- MissingPart
- 15
- Difficulty
- normal
5 = 1 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 1
- MissingPart
- 4
- Difficulty
- normal
20 = 16 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 16
- MissingPart
- 4
- 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
Teaching Notes
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