Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 71
Write the fact family for 17, 3, 20:
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Answer: 17 + 3 = 20; 3 + 17 = 20; 20 - 17 = 3; 20 - 3 = 17
- SubType
- fact-family
- Facts
- 17 + 3 = 20
- 3 + 17 = 20
- 20 - 17 = 3
- 20 - 3 = 17
- Difficulty
- easy
Write the fact family for 2, 16, 18:
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Answer: 2 + 16 = 18; 16 + 2 = 18; 18 - 2 = 16; 18 - 16 = 2
- SubType
- fact-family
- Facts
- 2 + 16 = 18
- 16 + 2 = 18
- 18 - 2 = 16
- 18 - 16 = 2
- Difficulty
- easy
Write the fact family for 5, 7, 12:
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Answer: 5 + 7 = 12; 7 + 5 = 12; 12 - 5 = 7; 12 - 7 = 5
- SubType
- fact-family
- Facts
- 5 + 7 = 12
- 7 + 5 = 12
- 12 - 5 = 7
- 12 - 7 = 5
- Difficulty
- easy
Write the fact family for 4, 4, 8:
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Answer: 4 + 4 = 8; 4 + 4 = 8; 8 - 4 = 4; 8 - 4 = 4
- SubType
- fact-family
- Facts
- 4 + 4 = 8
- 4 + 4 = 8
- 8 - 4 = 4
- 8 - 4 = 4
- Difficulty
- easy
Write the fact family for 8, 1, 9:
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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
Write the fact family for 13, 7, 20:
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Answer: 13 + 7 = 20; 7 + 13 = 20; 20 - 13 = 7; 20 - 7 = 13
- SubType
- fact-family
- Facts
- 13 + 7 = 20
- 7 + 13 = 20
- 20 - 13 = 7
- 20 - 7 = 13
- 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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