Fact Family Mixed Within 20 Fill Blanks — Set 22
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 1, 18, 19:
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Answer: 1 + 18 = 19; 18 + 1 = 19; 19 - 1 = 18; 19 - 18 = 1
- SubType
- fact-family
- Facts
- 1 + 18 = 19
- 18 + 1 = 19
- 19 - 1 = 18
- 19 - 18 = 1
- 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 12, 1, 13:
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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
Write the fact family for 1, 14, 15:
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Answer: 1 + 14 = 15; 14 + 1 = 15; 15 - 1 = 14; 15 - 14 = 1
- SubType
- fact-family
- Facts
- 1 + 14 = 15
- 14 + 1 = 15
- 15 - 1 = 14
- 15 - 14 = 1
- Difficulty
- normal
Write the fact family for 2, 9, 11:
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Answer: 2 + 9 = 11; 9 + 2 = 11; 11 - 2 = 9; 11 - 9 = 2
- SubType
- fact-family
- Facts
- 2 + 9 = 11
- 9 + 2 = 11
- 11 - 2 = 9
- 11 - 9 = 2
- 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.