Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 98
Write the fact family for 10, 8, 80:
Show answer
Answer: 10 × 8 = 80; 8 × 10 = 80; 80 ÷ 10 = 8; 80 ÷ 8 = 10
- SubType
- fact-family
- Facts
- 10 × 8 = 80
- 8 × 10 = 80
- 80 ÷ 10 = 8
- 80 ÷ 8 = 10
- Difficulty
- expert
Write the fact family for 8, 4, 32:
Show answer
Answer: 8 × 4 = 32; 4 × 8 = 32; 32 ÷ 8 = 4; 32 ÷ 4 = 8
- SubType
- fact-family
- Facts
- 8 × 4 = 32
- 4 × 8 = 32
- 32 ÷ 8 = 4
- 32 ÷ 4 = 8
- Difficulty
- expert
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
- expert
Write the fact family for 5, 10, 15:
Show answer
Answer: 5 + 10 = 15; 10 + 5 = 15; 15 - 5 = 10; 15 - 10 = 5
- SubType
- fact-family
- Facts
- 5 + 10 = 15
- 10 + 5 = 15
- 15 - 5 = 10
- 15 - 10 = 5
- Difficulty
- expert
Write the fact family for 8, 6, 48:
Show answer
Answer: 8 × 6 = 48; 6 × 8 = 48; 48 ÷ 8 = 6; 48 ÷ 6 = 8
- SubType
- fact-family
- Facts
- 8 × 6 = 48
- 6 × 8 = 48
- 48 ÷ 8 = 6
- 48 ÷ 6 = 8
- Difficulty
- expert
Write the fact family for 5, 7, 35:
Show answer
Answer: 5 × 7 = 35; 7 × 5 = 35; 35 ÷ 5 = 7; 35 ÷ 7 = 5
- SubType
- fact-family
- Facts
- 5 × 7 = 35
- 7 × 5 = 35
- 35 ÷ 5 = 7
- 35 ÷ 7 = 5
- 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.