Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 36
Write the fact family for 9, 11, 20:
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Answer: 9 + 11 = 20; 11 + 9 = 20; 20 - 9 = 11; 20 - 11 = 9
- SubType
- fact-family
- Facts
- 9 + 11 = 20
- 11 + 9 = 20
- 20 - 9 = 11
- 20 - 11 = 9
- Difficulty
- easy
Write the fact family for 7, 12, 19:
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Answer: 7 + 12 = 19; 12 + 7 = 19; 19 - 7 = 12; 19 - 12 = 7
- SubType
- fact-family
- Facts
- 7 + 12 = 19
- 12 + 7 = 19
- 19 - 7 = 12
- 19 - 12 = 7
- Difficulty
- easy
Write the fact family for 11, 9, 20:
Show answer
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 13, 4, 17:
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Answer: 13 + 4 = 17; 4 + 13 = 17; 17 - 13 = 4; 17 - 4 = 13
- SubType
- fact-family
- Facts
- 13 + 4 = 17
- 4 + 13 = 17
- 17 - 13 = 4
- 17 - 4 = 13
- Difficulty
- easy
Write the fact family for 12, 2, 14:
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Answer: 12 + 2 = 14; 2 + 12 = 14; 14 - 12 = 2; 14 - 2 = 12
- SubType
- fact-family
- Facts
- 12 + 2 = 14
- 2 + 12 = 14
- 14 - 12 = 2
- 14 - 2 = 12
- Difficulty
- easy
Write the fact family for 8, 1, 9:
Show answer
Answer: 8 + 1 = 9; 1 + 8 = 9; 9 - 8 = 1; 9 - 1 = 8
- SubType
- fact-family
- Facts
- 8 + 1 = 9
- 1 + 8 = 9
- 9 - 8 = 1
- 9 - 1 = 8
- 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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