Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 90
Write the fact family for 1, 16, 17:
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Answer: 1 + 16 = 17; 16 + 1 = 17; 17 - 1 = 16; 17 - 16 = 1
- SubType
- fact-family
- Facts
- 1 + 16 = 17
- 16 + 1 = 17
- 17 - 1 = 16
- 17 - 16 = 1
- Difficulty
- easy
Write the fact family for 12, 5, 17:
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Answer: 12 + 5 = 17; 5 + 12 = 17; 17 - 12 = 5; 17 - 5 = 12
- SubType
- fact-family
- Facts
- 12 + 5 = 17
- 5 + 12 = 17
- 17 - 12 = 5
- 17 - 5 = 12
- Difficulty
- easy
Write the fact family for 4, 7, 11:
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Answer: 4 + 7 = 11; 7 + 4 = 11; 11 - 4 = 7; 11 - 7 = 4
- SubType
- fact-family
- Facts
- 4 + 7 = 11
- 7 + 4 = 11
- 11 - 4 = 7
- 11 - 7 = 4
- Difficulty
- easy
Write the fact family for 8, 8, 16:
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Answer: 8 + 8 = 16; 8 + 8 = 16; 16 - 8 = 8; 16 - 8 = 8
- SubType
- fact-family
- Facts
- 8 + 8 = 16
- 8 + 8 = 16
- 16 - 8 = 8
- 16 - 8 = 8
- Difficulty
- easy
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 10, 1, 11:
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Answer: 10 + 1 = 11; 1 + 10 = 11; 11 - 10 = 1; 11 - 1 = 10
- SubType
- fact-family
- Facts
- 10 + 1 = 11
- 1 + 10 = 11
- 11 - 10 = 1
- 11 - 1 = 10
- 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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