Fact Family Mixed Within 20 Write All — Set 17
Write the fact family for 15, 5, 20:
Show answer
Answer: 15 + 5 = 20; 5 + 15 = 20; 20 - 15 = 5; 20 - 5 = 15
- SubType
- fact-family
- Facts
- 15 + 5 = 20
- 5 + 15 = 20
- 20 - 15 = 5
- 20 - 5 = 15
- Difficulty
- normal
Write the fact family for 2, 11, 13:
Show answer
Answer: 2 + 11 = 13; 11 + 2 = 13; 13 - 2 = 11; 13 - 11 = 2
- SubType
- fact-family
- Facts
- 2 + 11 = 13
- 11 + 2 = 13
- 13 - 2 = 11
- 13 - 11 = 2
- Difficulty
- normal
Write the fact family for 4, 8, 12:
Show answer
Answer: 4 + 8 = 12; 8 + 4 = 12; 12 - 4 = 8; 12 - 8 = 4
- SubType
- fact-family
- Facts
- 4 + 8 = 12
- 8 + 4 = 12
- 12 - 4 = 8
- 12 - 8 = 4
- Difficulty
- normal
Write the fact family for 3, 4, 7:
Show answer
Answer: 3 + 4 = 7; 4 + 3 = 7; 7 - 3 = 4; 7 - 4 = 3
- SubType
- fact-family
- Facts
- 3 + 4 = 7
- 4 + 3 = 7
- 7 - 3 = 4
- 7 - 4 = 3
- Difficulty
- normal
Write the fact family for 17, 3, 20:
Show answer
Answer: 17 + 3 = 20; 3 + 17 = 20; 20 - 17 = 3; 20 - 3 = 17
- SubType
- fact-family
- Facts
- 17 + 3 = 20
- 3 + 17 = 20
- 20 - 17 = 3
- 20 - 3 = 17
- Difficulty
- normal
Write the fact family for 5, 8, 13:
Show answer
Answer: 5 + 8 = 13; 8 + 5 = 13; 13 - 5 = 8; 13 - 8 = 5
- SubType
- fact-family
- Facts
- 5 + 8 = 13
- 8 + 5 = 13
- 13 - 5 = 8
- 13 - 8 = 5
- Difficulty
- normal
Teaching Notes
Download this free fact family mixed 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 Mixed 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?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.