Fact Family Add Sub Within 20 Fill Blanks — Set 54
Write the fact family for 5, 14, 19:
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Answer: 5 + 14 = 19; 14 + 5 = 19; 19 - 5 = 14; 19 - 14 = 5
- SubType
- fact-family
- Facts
- 5 + 14 = 19
- 14 + 5 = 19
- 19 - 5 = 14
- 19 - 14 = 5
- Difficulty
- normal
Write the fact family for 3, 10, 13:
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Answer: 3 + 10 = 13; 10 + 3 = 13; 13 - 3 = 10; 13 - 10 = 3
- SubType
- fact-family
- Facts
- 3 + 10 = 13
- 10 + 3 = 13
- 13 - 3 = 10
- 13 - 10 = 3
- Difficulty
- normal
Write the fact family for 7, 9, 16:
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Answer: 7 + 9 = 16; 9 + 7 = 16; 16 - 7 = 9; 16 - 9 = 7
- SubType
- fact-family
- Facts
- 7 + 9 = 16
- 9 + 7 = 16
- 16 - 7 = 9
- 16 - 9 = 7
- Difficulty
- normal
Write the fact family for 14, 6, 20:
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Answer: 14 + 6 = 20; 6 + 14 = 20; 20 - 14 = 6; 20 - 6 = 14
- SubType
- fact-family
- Facts
- 14 + 6 = 20
- 6 + 14 = 20
- 20 - 14 = 6
- 20 - 6 = 14
- Difficulty
- normal
Write the fact family for 1, 4, 5:
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Answer: 1 + 4 = 5; 4 + 1 = 5; 5 - 1 = 4; 5 - 4 = 1
- SubType
- fact-family
- Facts
- 1 + 4 = 5
- 4 + 1 = 5
- 5 - 1 = 4
- 5 - 4 = 1
- Difficulty
- normal
Write the fact family for 14, 1, 15:
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Answer: 14 + 1 = 15; 1 + 14 = 15; 15 - 14 = 1; 15 - 1 = 14
- SubType
- fact-family
- Facts
- 14 + 1 = 15
- 1 + 14 = 15
- 15 - 14 = 1
- 15 - 1 = 14
- Difficulty
- normal
Teaching Notes
Download this free fact family add sub 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 Add Sub 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.