Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 69
Write the fact family for 1, 17, 18:
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Answer: 1 + 17 = 18; 17 + 1 = 18; 18 - 1 = 17; 18 - 17 = 1
- SubType
- fact-family
- Facts
- 1 + 17 = 18
- 17 + 1 = 18
- 18 - 1 = 17
- 18 - 17 = 1
- Difficulty
- easy
Write the fact family for 4, 8, 12:
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Answer: 4 + 8 = 12; 8 + 4 = 12; 12 - 4 = 8; 12 - 8 = 4
- SubType
- fact-family
- Facts
- 4 + 8 = 12
- 8 + 4 = 12
- 12 - 4 = 8
- 12 - 8 = 4
- Difficulty
- easy
Write the fact family for 6, 4, 10:
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Answer: 6 + 4 = 10; 4 + 6 = 10; 10 - 6 = 4; 10 - 4 = 6
- SubType
- fact-family
- Facts
- 6 + 4 = 10
- 4 + 6 = 10
- 10 - 6 = 4
- 10 - 4 = 6
- Difficulty
- easy
Write the fact family for 18, 1, 19:
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Answer: 18 + 1 = 19; 1 + 18 = 19; 19 - 18 = 1; 19 - 1 = 18
- SubType
- fact-family
- Facts
- 18 + 1 = 19
- 1 + 18 = 19
- 19 - 18 = 1
- 19 - 1 = 18
- Difficulty
- easy
Write the fact family for 5, 6, 11:
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Answer: 5 + 6 = 11; 6 + 5 = 11; 11 - 5 = 6; 11 - 6 = 5
- SubType
- fact-family
- Facts
- 5 + 6 = 11
- 6 + 5 = 11
- 11 - 5 = 6
- 11 - 6 = 5
- Difficulty
- easy
Write the fact family for 14, 6, 20:
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Answer: 14 + 6 = 20; 6 + 14 = 20; 20 - 14 = 6; 20 - 6 = 14
- SubType
- fact-family
- Facts
- 14 + 6 = 20
- 6 + 14 = 20
- 20 - 14 = 6
- 20 - 6 = 14
- 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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