Workbook Detail
Fact Family Add Sub Within 20 Easy — Set 82
Write the fact family for 1, 15, 16:
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Answer: 1 + 15 = 16; 15 + 1 = 16; 16 - 1 = 15; 16 - 15 = 1
- SubType
- fact-family
- Facts
- 1 + 15 = 16
- 15 + 1 = 16
- 16 - 1 = 15
- 16 - 15 = 1
- Difficulty
- easy
Write the fact family for 15, 4, 19:
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Answer: 15 + 4 = 19; 4 + 15 = 19; 19 - 15 = 4; 19 - 4 = 15
- SubType
- fact-family
- Facts
- 15 + 4 = 19
- 4 + 15 = 19
- 19 - 15 = 4
- 19 - 4 = 15
- Difficulty
- easy
Write the fact family for 19, 1, 20:
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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19
- SubType
- fact-family
- Facts
- 19 + 1 = 20
- 1 + 19 = 20
- 20 - 19 = 1
- 20 - 1 = 19
- Difficulty
- easy
Write the fact family for 1, 10, 11:
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Answer: 1 + 10 = 11; 10 + 1 = 11; 11 - 1 = 10; 11 - 10 = 1
- SubType
- fact-family
- Facts
- 1 + 10 = 11
- 10 + 1 = 11
- 11 - 1 = 10
- 11 - 10 = 1
- Difficulty
- easy
Write the fact family for 9, 6, 15:
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Answer: 9 + 6 = 15; 6 + 9 = 15; 15 - 9 = 6; 15 - 6 = 9
- SubType
- fact-family
- Facts
- 9 + 6 = 15
- 6 + 9 = 15
- 15 - 9 = 6
- 15 - 6 = 9
- Difficulty
- easy
Write the fact family for 10, 9, 19:
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Answer: 10 + 9 = 19; 9 + 10 = 19; 19 - 10 = 9; 19 - 9 = 10
- SubType
- fact-family
- Facts
- 10 + 9 = 19
- 9 + 10 = 19
- 19 - 10 = 9
- 19 - 9 = 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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