Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 41
Write the fact family for 17, 1, 18:
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Answer: 17 + 1 = 18; 1 + 17 = 18; 18 - 17 = 1; 18 - 1 = 17
- SubType
- fact-family
- Facts
- 17 + 1 = 18
- 1 + 17 = 18
- 18 - 17 = 1
- 18 - 1 = 17
- Difficulty
- easy
Write the fact family for 12, 3, 15:
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Answer: 12 + 3 = 15; 3 + 12 = 15; 15 - 12 = 3; 15 - 3 = 12
- SubType
- fact-family
- Facts
- 12 + 3 = 15
- 3 + 12 = 15
- 15 - 12 = 3
- 15 - 3 = 12
- Difficulty
- easy
Write the fact family for 1, 13, 14:
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Answer: 1 + 13 = 14; 13 + 1 = 14; 14 - 1 = 13; 14 - 13 = 1
- SubType
- fact-family
- Facts
- 1 + 13 = 14
- 13 + 1 = 14
- 14 - 1 = 13
- 14 - 13 = 1
- Difficulty
- easy
Write the fact family for 5, 11, 16:
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Answer: 5 + 11 = 16; 11 + 5 = 16; 16 - 5 = 11; 16 - 11 = 5
- SubType
- fact-family
- Facts
- 5 + 11 = 16
- 11 + 5 = 16
- 16 - 5 = 11
- 16 - 11 = 5
- Difficulty
- easy
Write the fact family for 6, 10, 16:
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Answer: 6 + 10 = 16; 10 + 6 = 16; 16 - 6 = 10; 16 - 10 = 6
- SubType
- fact-family
- Facts
- 6 + 10 = 16
- 10 + 6 = 16
- 16 - 6 = 10
- 16 - 10 = 6
- Difficulty
- easy
Write the fact family for 2, 7, 9:
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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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