Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 51
Write the fact family for 6, 14, 20:
Show answer
Answer: 6 + 14 = 20; 14 + 6 = 20; 20 - 6 = 14; 20 - 14 = 6
- SubType
- fact-family
- Facts
- 6 + 14 = 20
- 14 + 6 = 20
- 20 - 6 = 14
- 20 - 14 = 6
- Difficulty
- expert
Write the fact family for 5, 2, 10:
Show answer
Answer: 5 × 2 = 10; 2 × 5 = 10; 10 ÷ 5 = 2; 10 ÷ 2 = 5
- SubType
- fact-family
- Facts
- 5 × 2 = 10
- 2 × 5 = 10
- 10 ÷ 5 = 2
- 10 ÷ 2 = 5
- Difficulty
- expert
Write the fact family for 12, 1, 13:
Show answer
Answer: 12 + 1 = 13; 1 + 12 = 13; 13 - 12 = 1; 13 - 1 = 12
- SubType
- fact-family
- Facts
- 12 + 1 = 13
- 1 + 12 = 13
- 13 - 12 = 1
- 13 - 1 = 12
- Difficulty
- expert
Write the fact family for 5, 4, 9:
Show answer
Answer: 5 + 4 = 9; 4 + 5 = 9; 9 - 5 = 4; 9 - 4 = 5
- SubType
- fact-family
- Facts
- 5 + 4 = 9
- 4 + 5 = 9
- 9 - 5 = 4
- 9 - 4 = 5
- Difficulty
- expert
Write the fact family for 4, 10, 40:
Show answer
Answer: 4 × 10 = 40; 10 × 4 = 40; 40 ÷ 4 = 10; 40 ÷ 10 = 4
- SubType
- fact-family
- Facts
- 4 × 10 = 40
- 10 × 4 = 40
- 40 ÷ 4 = 10
- 40 ÷ 10 = 4
- 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
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.