Fact Family Add Sub Within 20 Hard — Set 70
Write the fact family for 3, 5, 15:
Show answer
Answer: 3 × 5 = 15; 5 × 3 = 15; 15 ÷ 3 = 5; 15 ÷ 5 = 3
- SubType
- fact-family
- Facts
- 3 × 5 = 15
- 5 × 3 = 15
- 15 ÷ 3 = 5
- 15 ÷ 5 = 3
- Difficulty
- hard
Write the fact family for 14, 3, 17:
Show answer
Answer: 14 + 3 = 17; 3 + 14 = 17; 17 - 14 = 3; 17 - 3 = 14
- SubType
- fact-family
- Facts
- 14 + 3 = 17
- 3 + 14 = 17
- 17 - 14 = 3
- 17 - 3 = 14
- Difficulty
- hard
Write the fact family for 11, 4, 44:
Show answer
Answer: 11 × 4 = 44; 4 × 11 = 44; 44 ÷ 11 = 4; 44 ÷ 4 = 11
- SubType
- fact-family
- Facts
- 11 × 4 = 44
- 4 × 11 = 44
- 44 ÷ 11 = 4
- 44 ÷ 4 = 11
- Difficulty
- hard
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
- hard
Write the fact family for 7, 5, 35:
Show answer
Answer: 7 × 5 = 35; 5 × 7 = 35; 35 ÷ 7 = 5; 35 ÷ 5 = 7
- SubType
- fact-family
- Facts
- 7 × 5 = 35
- 5 × 7 = 35
- 35 ÷ 7 = 5
- 35 ÷ 5 = 7
- Difficulty
- hard
Write the fact family for 3, 7, 10:
Show answer
Answer: 3 + 7 = 10; 7 + 3 = 10; 10 - 3 = 7; 10 - 7 = 3
- SubType
- fact-family
- Facts
- 3 + 7 = 10
- 7 + 3 = 10
- 10 - 3 = 7
- 10 - 7 = 3
- Difficulty
- hard
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 Hard 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.