Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 75
Write the fact family for 8, 1, 9:
Show answer
Answer: 8 + 1 = 9; 1 + 8 = 9; 9 - 8 = 1; 9 - 1 = 8
- SubType
- fact-family
- Facts
- 8 + 1 = 9
- 1 + 8 = 9
- 9 - 8 = 1
- 9 - 1 = 8
- Difficulty
- expert
Write the fact family for 15, 5, 20:
Show answer
Answer: 15 + 5 = 20; 5 + 15 = 20; 20 - 15 = 5; 20 - 5 = 15
- SubType
- fact-family
- Facts
- 15 + 5 = 20
- 5 + 15 = 20
- 20 - 15 = 5
- 20 - 5 = 15
- Difficulty
- expert
Write the fact family for 10, 6, 60:
Show answer
Answer: 10 × 6 = 60; 6 × 10 = 60; 60 ÷ 10 = 6; 60 ÷ 6 = 10
- SubType
- fact-family
- Facts
- 10 × 6 = 60
- 6 × 10 = 60
- 60 ÷ 10 = 6
- 60 ÷ 6 = 10
- Difficulty
- expert
Write the fact family for 7, 2, 14:
Show answer
Answer: 7 × 2 = 14; 2 × 7 = 14; 14 ÷ 7 = 2; 14 ÷ 2 = 7
- SubType
- fact-family
- Facts
- 7 × 2 = 14
- 2 × 7 = 14
- 14 ÷ 7 = 2
- 14 ÷ 2 = 7
- Difficulty
- expert
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
- expert
Write the fact family for 12, 6, 72:
Show answer
Answer: 12 × 6 = 72; 6 × 12 = 72; 72 ÷ 12 = 6; 72 ÷ 6 = 12
- SubType
- fact-family
- Facts
- 12 × 6 = 72
- 6 × 12 = 72
- 72 ÷ 12 = 6
- 72 ÷ 6 = 12
- Difficulty
- expert
Teaching Notes
Practice fact family add sub within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Fact Family Add Sub Within 20 Expert Worksheets 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.