Fact Family Mixed Within 20 Fill Blanks — Set 85
Write the fact family for 11, 8, 19:
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Answer: 11 + 8 = 19; 8 + 11 = 19; 19 - 11 = 8; 19 - 8 = 11
- SubType
- fact-family
- Facts
- 11 + 8 = 19
- 8 + 11 = 19
- 19 - 11 = 8
- 19 - 8 = 11
- Difficulty
- normal
Write the fact family for 5, 9, 14:
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Answer: 5 + 9 = 14; 9 + 5 = 14; 14 - 5 = 9; 14 - 9 = 5
- SubType
- fact-family
- Facts
- 5 + 9 = 14
- 9 + 5 = 14
- 14 - 5 = 9
- 14 - 9 = 5
- Difficulty
- normal
Write the fact family for 11, 2, 13:
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Answer: 11 + 2 = 13; 2 + 11 = 13; 13 - 11 = 2; 13 - 2 = 11
- SubType
- fact-family
- Facts
- 11 + 2 = 13
- 2 + 11 = 13
- 13 - 11 = 2
- 13 - 2 = 11
- Difficulty
- normal
Write the fact family for 10, 5, 15:
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Answer: 10 + 5 = 15; 5 + 10 = 15; 15 - 10 = 5; 15 - 5 = 10
- SubType
- fact-family
- Facts
- 10 + 5 = 15
- 5 + 10 = 15
- 15 - 10 = 5
- 15 - 5 = 10
- Difficulty
- normal
Write the fact family for 3, 8, 11:
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Answer: 3 + 8 = 11; 8 + 3 = 11; 11 - 3 = 8; 11 - 8 = 3
- SubType
- fact-family
- Facts
- 3 + 8 = 11
- 8 + 3 = 11
- 11 - 3 = 8
- 11 - 8 = 3
- Difficulty
- normal
Write the fact family for 18, 2, 20:
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Answer: 18 + 2 = 20; 2 + 18 = 20; 20 - 18 = 2; 20 - 2 = 18
- SubType
- fact-family
- Facts
- 18 + 2 = 20
- 2 + 18 = 20
- 20 - 18 = 2
- 20 - 2 = 18
- 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.