Fact Family Add Sub Within 20 Expert — Set 30
Write the fact family for 5, 8, 40:
Show answer
Answer: 5 × 8 = 40; 8 × 5 = 40; 40 ÷ 5 = 8; 40 ÷ 8 = 5
- SubType
- fact-family
- Facts
- 5 × 8 = 40
- 8 × 5 = 40
- 40 ÷ 5 = 8
- 40 ÷ 8 = 5
- Difficulty
- expert
Write the fact family for 7, 9, 16:
Show answer
Answer: 7 + 9 = 16; 9 + 7 = 16; 16 - 7 = 9; 16 - 9 = 7
- SubType
- fact-family
- Facts
- 7 + 9 = 16
- 9 + 7 = 16
- 16 - 7 = 9
- 16 - 9 = 7
- Difficulty
- expert
Write the fact family for 10, 10, 100:
Show answer
Answer: 10 × 10 = 100; 10 × 10 = 100; 100 ÷ 10 = 10; 100 ÷ 10 = 10
- SubType
- fact-family
- Facts
- 10 × 10 = 100
- 10 × 10 = 100
- 100 ÷ 10 = 10
- 100 ÷ 10 = 10
- Difficulty
- expert
Write the fact family for 14, 6, 20:
Show answer
Answer: 14 + 6 = 20; 6 + 14 = 20; 20 - 14 = 6; 20 - 6 = 14
- SubType
- fact-family
- Facts
- 14 + 6 = 20
- 6 + 14 = 20
- 20 - 14 = 6
- 20 - 6 = 14
- Difficulty
- expert
Write the fact family for 16, 4, 20:
Show answer
Answer: 16 + 4 = 20; 4 + 16 = 20; 20 - 16 = 4; 20 - 4 = 16
- SubType
- fact-family
- Facts
- 16 + 4 = 20
- 4 + 16 = 20
- 20 - 16 = 4
- 20 - 4 = 16
- Difficulty
- expert
Write the fact family for 15, 1, 16:
Show answer
Answer: 15 + 1 = 16; 1 + 15 = 16; 16 - 15 = 1; 16 - 1 = 15
- SubType
- fact-family
- Facts
- 15 + 1 = 16
- 1 + 15 = 16
- 16 - 15 = 1
- 16 - 1 = 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.