Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 100
Number bond: 16 = 2 + ?
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Answer: 14
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 2
- MissingPart
- 14
- Difficulty
- normal
Number bond: 11 = 4 + ?
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Answer: 7
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 4
- MissingPart
- 7
- Difficulty
- normal
Number bond: 14 = ? + 8
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Answer: 6
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 8
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 9 = 5 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 5
- MissingPart
- 4
- Difficulty
- normal
Complete the number bond: 15 = 11 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 11
- MissingPart
- 4
- Difficulty
- normal
Complete the number bond: 16 = 13 + __
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Answer: 3
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 13
- MissingPart
- 3
- Difficulty
- normal
Number bond: 19 = 18 + ?
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Answer: 1
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 18
- MissingPart
- 1
- Difficulty
- normal
19 = __ + 13
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Answer: 6
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 13
- MissingPart
- 6
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
How do I use this Number Bonds Addition Within 20 Fill Both Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
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