Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 89
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 7, 6, 42:
Show answer
Answer: 7 × 6 = 42; 6 × 7 = 42; 42 ÷ 7 = 6; 42 ÷ 6 = 7
- SubType
- fact-family
- Facts
- 7 × 6 = 42
- 6 × 7 = 42
- 42 ÷ 7 = 6
- 42 ÷ 6 = 7
- Difficulty
- hard
Write the fact family for 6, 3, 18:
Show answer
Answer: 6 × 3 = 18; 3 × 6 = 18; 18 ÷ 6 = 3; 18 ÷ 3 = 6
- SubType
- fact-family
- Facts
- 6 × 3 = 18
- 3 × 6 = 18
- 18 ÷ 6 = 3
- 18 ÷ 3 = 6
- Difficulty
- hard
Write the fact family for 11, 11, 121:
Show answer
Answer: 11 × 11 = 121; 11 × 11 = 121; 121 ÷ 11 = 11; 121 ÷ 11 = 11
- SubType
- fact-family
- Facts
- 11 × 11 = 121
- 11 × 11 = 121
- 121 ÷ 11 = 11
- 121 ÷ 11 = 11
- Difficulty
- hard
Write the fact family for 8, 11, 88:
Show answer
Answer: 8 × 11 = 88; 11 × 8 = 88; 88 ÷ 8 = 11; 88 ÷ 11 = 8
- SubType
- fact-family
- Facts
- 8 × 11 = 88
- 11 × 8 = 88
- 88 ÷ 8 = 11
- 88 ÷ 11 = 8
- Difficulty
- hard
Write the fact family for 7, 11, 18:
Show answer
Answer: 7 + 11 = 18; 11 + 7 = 18; 18 - 7 = 11; 18 - 11 = 7
- SubType
- fact-family
- Facts
- 7 + 11 = 18
- 11 + 7 = 18
- 18 - 7 = 11
- 18 - 11 = 7
- 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.