Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 78
Write the fact family for 10, 10, 20:
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Answer: 10 + 10 = 20; 10 + 10 = 20; 20 - 10 = 10; 20 - 10 = 10
- SubType
- fact-family
- Facts
- 10 + 10 = 20
- 10 + 10 = 20
- 20 - 10 = 10
- 20 - 10 = 10
- Difficulty
- easy
Write the fact family for 5, 10, 15:
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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
- easy
Write the fact family for 4, 7, 11:
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Answer: 4 + 7 = 11; 7 + 4 = 11; 11 - 4 = 7; 11 - 7 = 4
- SubType
- fact-family
- Facts
- 4 + 7 = 11
- 7 + 4 = 11
- 11 - 4 = 7
- 11 - 7 = 4
- Difficulty
- easy
Write the fact family for 11, 7, 18:
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Answer: 11 + 7 = 18; 7 + 11 = 18; 18 - 11 = 7; 18 - 7 = 11
- SubType
- fact-family
- Facts
- 11 + 7 = 18
- 7 + 11 = 18
- 18 - 11 = 7
- 18 - 7 = 11
- Difficulty
- easy
Write the fact family for 2, 8, 10:
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Answer: 2 + 8 = 10; 8 + 2 = 10; 10 - 2 = 8; 10 - 8 = 2
- SubType
- fact-family
- Facts
- 2 + 8 = 10
- 8 + 2 = 10
- 10 - 2 = 8
- 10 - 8 = 2
- Difficulty
- easy
Write the fact family for 5, 15, 20:
Show answer
Answer: 5 + 15 = 20; 15 + 5 = 20; 20 - 5 = 15; 20 - 15 = 5
- SubType
- fact-family
- Facts
- 5 + 15 = 20
- 15 + 5 = 20
- 20 - 5 = 15
- 20 - 15 = 5
- Difficulty
- easy
Teaching Notes
Practice fact family add sub within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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