Fact Family Mixed Within 20 Fill Blanks — Set 50
Write the fact family for 8, 9, 17:
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Answer: 8 + 9 = 17; 9 + 8 = 17; 17 - 8 = 9; 17 - 9 = 8
- SubType
- fact-family
- Facts
- 8 + 9 = 17
- 9 + 8 = 17
- 17 - 8 = 9
- 17 - 9 = 8
- Difficulty
- normal
Write the fact family for 12, 7, 19:
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Answer: 12 + 7 = 19; 7 + 12 = 19; 19 - 12 = 7; 19 - 7 = 12
- SubType
- fact-family
- Facts
- 12 + 7 = 19
- 7 + 12 = 19
- 19 - 12 = 7
- 19 - 7 = 12
- Difficulty
- normal
Write the fact family for 9, 11, 20:
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Answer: 9 + 11 = 20; 11 + 9 = 20; 20 - 9 = 11; 20 - 11 = 9
- SubType
- fact-family
- Facts
- 9 + 11 = 20
- 11 + 9 = 20
- 20 - 9 = 11
- 20 - 11 = 9
- Difficulty
- normal
Write the fact family for 7, 12, 19:
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Answer: 7 + 12 = 19; 12 + 7 = 19; 19 - 7 = 12; 19 - 12 = 7
- SubType
- fact-family
- Facts
- 7 + 12 = 19
- 12 + 7 = 19
- 19 - 7 = 12
- 19 - 12 = 7
- Difficulty
- normal
Write the fact family for 19, 1, 20:
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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19
- SubType
- fact-family
- Facts
- 19 + 1 = 20
- 1 + 19 = 20
- 20 - 19 = 1
- 20 - 1 = 19
- Difficulty
- normal
Write the fact family for 9, 7, 16:
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Answer: 9 + 7 = 16; 7 + 9 = 16; 16 - 9 = 7; 16 - 7 = 9
- SubType
- fact-family
- Facts
- 9 + 7 = 16
- 7 + 9 = 16
- 16 - 9 = 7
- 16 - 7 = 9
- 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.