Fact Family Add Sub Within 20 Fill Blanks — Set 41
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 8, 2, 10:
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Answer: 8 + 2 = 10; 2 + 8 = 10; 10 - 8 = 2; 10 - 2 = 8
- SubType
- fact-family
- Facts
- 8 + 2 = 10
- 2 + 8 = 10
- 10 - 8 = 2
- 10 - 2 = 8
- Difficulty
- normal
Write the fact family for 8, 5, 13:
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Answer: 8 + 5 = 13; 5 + 8 = 13; 13 - 8 = 5; 13 - 5 = 8
- SubType
- fact-family
- Facts
- 8 + 5 = 13
- 5 + 8 = 13
- 13 - 8 = 5
- 13 - 5 = 8
- Difficulty
- normal
Write the fact family for 17, 2, 19:
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Answer: 17 + 2 = 19; 2 + 17 = 19; 19 - 17 = 2; 19 - 2 = 17
- SubType
- fact-family
- Facts
- 17 + 2 = 19
- 2 + 17 = 19
- 19 - 17 = 2
- 19 - 2 = 17
- Difficulty
- normal
Write the fact family for 3, 3, 6:
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Answer: 3 + 3 = 6; 3 + 3 = 6; 6 - 3 = 3; 6 - 3 = 3
- SubType
- fact-family
- Facts
- 3 + 3 = 6
- 3 + 3 = 6
- 6 - 3 = 3
- 6 - 3 = 3
- Difficulty
- normal
Write the fact family for 6, 8, 14:
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Answer: 6 + 8 = 14; 8 + 6 = 14; 14 - 6 = 8; 14 - 8 = 6
- SubType
- fact-family
- Facts
- 6 + 8 = 14
- 8 + 6 = 14
- 14 - 6 = 8
- 14 - 8 = 6
- 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?
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Is there an answer key?
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