Workbook Detail
Fact Family Mixed Within 20 Fill Blanks — Set 30
Write the fact family for 3, 3, 6:
Show answer
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 8, 10, 18:
Show answer
Answer: 8 + 10 = 18; 10 + 8 = 18; 18 - 8 = 10; 18 - 10 = 8
- SubType
- fact-family
- Facts
- 8 + 10 = 18
- 10 + 8 = 18
- 18 - 8 = 10
- 18 - 10 = 8
- Difficulty
- normal
Write the fact family for 5, 8, 13:
Show answer
Answer: 5 + 8 = 13; 8 + 5 = 13; 13 - 5 = 8; 13 - 8 = 5
- SubType
- fact-family
- Facts
- 5 + 8 = 13
- 8 + 5 = 13
- 13 - 5 = 8
- 13 - 8 = 5
- Difficulty
- normal
Write the fact family for 9, 5, 14:
Show answer
Answer: 9 + 5 = 14; 5 + 9 = 14; 14 - 9 = 5; 14 - 5 = 9
- SubType
- fact-family
- Facts
- 9 + 5 = 14
- 5 + 9 = 14
- 14 - 9 = 5
- 14 - 5 = 9
- Difficulty
- normal
Write the fact family for 12, 3, 15:
Show answer
Answer: 12 + 3 = 15; 3 + 12 = 15; 15 - 12 = 3; 15 - 3 = 12
- SubType
- fact-family
- Facts
- 12 + 3 = 15
- 3 + 12 = 15
- 15 - 12 = 3
- 15 - 3 = 12
- 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.