Workbook Detail
Fact Family Add Sub Within 20 Write All — Set 49
Write the fact family for 3, 15, 18:
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Answer: 3 + 15 = 18; 15 + 3 = 18; 18 - 3 = 15; 18 - 15 = 3
- SubType
- fact-family
- Facts
- 3 + 15 = 18
- 15 + 3 = 18
- 18 - 3 = 15
- 18 - 15 = 3
- Difficulty
- normal
Write the fact family for 3, 8, 11:
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Answer: 3 + 8 = 11; 8 + 3 = 11; 11 - 3 = 8; 11 - 8 = 3
- SubType
- fact-family
- Facts
- 3 + 8 = 11
- 8 + 3 = 11
- 11 - 3 = 8
- 11 - 8 = 3
- Difficulty
- normal
Write the fact family for 14, 6, 20:
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Answer: 14 + 6 = 20; 6 + 14 = 20; 20 - 14 = 6; 20 - 6 = 14
- SubType
- fact-family
- Facts
- 14 + 6 = 20
- 6 + 14 = 20
- 20 - 14 = 6
- 20 - 6 = 14
- Difficulty
- normal
Write the fact family for 2, 14, 16:
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Answer: 2 + 14 = 16; 14 + 2 = 16; 16 - 2 = 14; 16 - 14 = 2
- SubType
- fact-family
- Facts
- 2 + 14 = 16
- 14 + 2 = 16
- 16 - 2 = 14
- 16 - 14 = 2
- Difficulty
- normal
Write the fact family for 9, 5, 14:
Show answer
Answer: 9 + 5 = 14; 5 + 9 = 14; 14 - 9 = 5; 14 - 5 = 9
- SubType
- fact-family
- Facts
- 9 + 5 = 14
- 5 + 9 = 14
- 14 - 9 = 5
- 14 - 5 = 9
- Difficulty
- normal
Teaching Notes
Download this free fact family add sub within 20 write all math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Frequently Asked Questions
How do I use this Fact Family Add Sub Within 20 Write All 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.
Is there an answer key?
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