Fact Family Mixed Within 20 Fill Blanks — Set 40
Write the fact family for 7, 5, 12:
Show answer
Answer: 7 + 5 = 12; 5 + 7 = 12; 12 - 7 = 5; 12 - 5 = 7
- SubType
- fact-family
- Facts
- 7 + 5 = 12
- 5 + 7 = 12
- 12 - 7 = 5
- 12 - 5 = 7
- 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
Write the fact family for 10, 7, 17:
Show answer
Answer: 10 + 7 = 17; 7 + 10 = 17; 17 - 10 = 7; 17 - 7 = 10
- SubType
- fact-family
- Facts
- 10 + 7 = 17
- 7 + 10 = 17
- 17 - 10 = 7
- 17 - 7 = 10
- Difficulty
- normal
Write the fact family for 5, 2, 7:
Show answer
Answer: 5 + 2 = 7; 2 + 5 = 7; 7 - 5 = 2; 7 - 2 = 5
- SubType
- fact-family
- Facts
- 5 + 2 = 7
- 2 + 5 = 7
- 7 - 5 = 2
- 7 - 2 = 5
- Difficulty
- normal
Write the fact family for 14, 1, 15:
Show answer
Answer: 14 + 1 = 15; 1 + 14 = 15; 15 - 14 = 1; 15 - 1 = 14
- SubType
- fact-family
- Facts
- 14 + 1 = 15
- 1 + 14 = 15
- 15 - 14 = 1
- 15 - 1 = 14
- Difficulty
- normal
Write the fact family for 12, 1, 13:
Show answer
Answer: 12 + 1 = 13; 1 + 12 = 13; 13 - 12 = 1; 13 - 1 = 12
- SubType
- fact-family
- Facts
- 12 + 1 = 13
- 1 + 12 = 13
- 13 - 12 = 1
- 13 - 1 = 12
- Difficulty
- normal
Teaching Notes
Download this free fact family mixed within 20 fill blanks 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 Fill Blanks 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.