Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 25
Write the fact family for 11, 9, 20:
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Answer: 11 + 9 = 20; 9 + 11 = 20; 20 - 11 = 9; 20 - 9 = 11
- SubType
- fact-family
- Facts
- 11 + 9 = 20
- 9 + 11 = 20
- 20 - 11 = 9
- 20 - 9 = 11
- Difficulty
- easy
Write the fact family for 2, 10, 12:
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Answer: 2 + 10 = 12; 10 + 2 = 12; 12 - 2 = 10; 12 - 10 = 2
- SubType
- fact-family
- Facts
- 2 + 10 = 12
- 10 + 2 = 12
- 12 - 2 = 10
- 12 - 10 = 2
- Difficulty
- easy
Write the fact family for 5, 2, 7:
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Answer: 5 + 2 = 7; 2 + 5 = 7; 7 - 5 = 2; 7 - 2 = 5
- SubType
- fact-family
- Facts
- 5 + 2 = 7
- 2 + 5 = 7
- 7 - 5 = 2
- 7 - 2 = 5
- Difficulty
- easy
Write the fact family for 5, 15, 20:
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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
Write the fact family for 1, 19, 20:
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Answer: 1 + 19 = 20; 19 + 1 = 20; 20 - 1 = 19; 20 - 19 = 1
- SubType
- fact-family
- Facts
- 1 + 19 = 20
- 19 + 1 = 20
- 20 - 1 = 19
- 20 - 19 = 1
- Difficulty
- easy
Write the fact family for 2, 7, 9:
Show answer
Answer: 2 + 7 = 9; 7 + 2 = 9; 9 - 2 = 7; 9 - 7 = 2
- SubType
- fact-family
- Facts
- 2 + 7 = 9
- 7 + 2 = 9
- 9 - 2 = 7
- 9 - 7 = 2
- 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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