Fact Family Mixed Within 20 Fill Blanks — Set 76
Write the fact family for 11, 1, 12:
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Answer: 11 + 1 = 12; 1 + 11 = 12; 12 - 11 = 1; 12 - 1 = 11
- SubType
- fact-family
- Facts
- 11 + 1 = 12
- 1 + 11 = 12
- 12 - 11 = 1
- 12 - 1 = 11
- Difficulty
- normal
Write the fact family for 4, 2, 6:
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Answer: 4 + 2 = 6; 2 + 4 = 6; 6 - 4 = 2; 6 - 2 = 4
- SubType
- fact-family
- Facts
- 4 + 2 = 6
- 2 + 4 = 6
- 6 - 4 = 2
- 6 - 2 = 4
- Difficulty
- normal
Write the fact family for 2, 16, 18:
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Answer: 2 + 16 = 18; 16 + 2 = 18; 18 - 2 = 16; 18 - 16 = 2
- SubType
- fact-family
- Facts
- 2 + 16 = 18
- 16 + 2 = 18
- 18 - 2 = 16
- 18 - 16 = 2
- Difficulty
- normal
Write the fact family for 17, 3, 20:
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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 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 12, 8, 20:
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Answer: 12 + 8 = 20; 8 + 12 = 20; 20 - 12 = 8; 20 - 8 = 12
- SubType
- fact-family
- Facts
- 12 + 8 = 20
- 8 + 12 = 20
- 20 - 12 = 8
- 20 - 8 = 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.