Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 49
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
- easy
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
- easy
Write the fact family for 3, 16, 19:
Show answer
Answer: 3 + 16 = 19; 16 + 3 = 19; 19 - 3 = 16; 19 - 16 = 3
- SubType
- fact-family
- Facts
- 3 + 16 = 19
- 16 + 3 = 19
- 19 - 3 = 16
- 19 - 16 = 3
- Difficulty
- easy
Write the fact family for 15, 4, 19:
Show answer
Answer: 15 + 4 = 19; 4 + 15 = 19; 19 - 15 = 4; 19 - 4 = 15
- SubType
- fact-family
- Facts
- 15 + 4 = 19
- 4 + 15 = 19
- 19 - 15 = 4
- 19 - 4 = 15
- Difficulty
- easy
Write the fact family for 8, 2, 10:
Show answer
Answer: 8 + 2 = 10; 2 + 8 = 10; 10 - 8 = 2; 10 - 2 = 8
- SubType
- fact-family
- Facts
- 8 + 2 = 10
- 2 + 8 = 10
- 10 - 8 = 2
- 10 - 2 = 8
- Difficulty
- easy
Write the fact family for 4, 14, 18:
Show answer
Answer: 4 + 14 = 18; 14 + 4 = 18; 18 - 4 = 14; 18 - 14 = 4
- SubType
- fact-family
- Facts
- 4 + 14 = 18
- 14 + 4 = 18
- 18 - 4 = 14
- 18 - 14 = 4
- Difficulty
- easy
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 Easy 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.