Fact Family Add Sub Within 10 Find Family — Set 21
Write the fact family for 15, 2, 17:
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Answer: 15 + 2 = 17; 2 + 15 = 17; 17 - 15 = 2; 17 - 2 = 15
- SubType
- fact-family
- Facts
- 15 + 2 = 17
- 2 + 15 = 17
- 17 - 15 = 2
- 17 - 2 = 15
- Difficulty
- normal
Write the fact family for 25, 9, 34:
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Answer: 25 + 9 = 34; 9 + 25 = 34; 34 - 25 = 9; 34 - 9 = 25
- SubType
- fact-family
- Facts
- 25 + 9 = 34
- 9 + 25 = 34
- 34 - 25 = 9
- 34 - 9 = 25
- Difficulty
- normal
Write the fact family for 24, 21, 45:
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Answer: 24 + 21 = 45; 21 + 24 = 45; 45 - 24 = 21; 45 - 21 = 24
- SubType
- fact-family
- Facts
- 24 + 21 = 45
- 21 + 24 = 45
- 45 - 24 = 21
- 45 - 21 = 24
- Difficulty
- normal
Write the fact family for 13, 5, 18:
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Answer: 13 + 5 = 18; 5 + 13 = 18; 18 - 13 = 5; 18 - 5 = 13
- SubType
- fact-family
- Facts
- 13 + 5 = 18
- 5 + 13 = 18
- 18 - 13 = 5
- 18 - 5 = 13
- Difficulty
- normal
Write the fact family for 45, 3, 48:
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Answer: 45 + 3 = 48; 3 + 45 = 48; 48 - 45 = 3; 48 - 3 = 45
- SubType
- fact-family
- Facts
- 45 + 3 = 48
- 3 + 45 = 48
- 48 - 45 = 3
- 48 - 3 = 45
- Difficulty
- normal
Write the fact family for 33, 12, 45:
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Answer: 33 + 12 = 45; 12 + 33 = 45; 45 - 33 = 12; 45 - 12 = 33
- SubType
- fact-family
- Facts
- 33 + 12 = 45
- 12 + 33 = 45
- 45 - 33 = 12
- 45 - 12 = 33
- Difficulty
- normal
Teaching Notes
Download this free fact family add sub within 10 find family 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 10 Find Family 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.