Fact Family Mixed Within 20 Fill Blanks — Set 15
Write the fact family for 10, 2, 12:
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Answer: 10 + 2 = 12; 2 + 10 = 12; 12 - 10 = 2; 12 - 2 = 10
- SubType
- fact-family
- Facts
- 10 + 2 = 12
- 2 + 10 = 12
- 12 - 10 = 2
- 12 - 2 = 10
- Difficulty
- normal
Write the fact family for 5, 2, 7:
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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 16, 3, 19:
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Answer: 16 + 3 = 19; 3 + 16 = 19; 19 - 16 = 3; 19 - 3 = 16
- SubType
- fact-family
- Facts
- 16 + 3 = 19
- 3 + 16 = 19
- 19 - 16 = 3
- 19 - 3 = 16
- 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 5, 4, 9:
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Answer: 5 + 4 = 9; 4 + 5 = 9; 9 - 5 = 4; 9 - 4 = 5
- SubType
- fact-family
- Facts
- 5 + 4 = 9
- 4 + 5 = 9
- 9 - 5 = 4
- 9 - 4 = 5
- Difficulty
- normal
Write the fact family for 14, 5, 19:
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Answer: 14 + 5 = 19; 5 + 14 = 19; 19 - 14 = 5; 19 - 5 = 14
- SubType
- fact-family
- Facts
- 14 + 5 = 19
- 5 + 14 = 19
- 19 - 14 = 5
- 19 - 5 = 14
- 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.