Workbook Detail
Fact Family Add Sub Within 20 Medium — Set 67
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
- medium
Write the fact family for 3, 10, 30:
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Answer: 3 × 10 = 30; 10 × 3 = 30; 30 ÷ 3 = 10; 30 ÷ 10 = 3
- SubType
- fact-family
- Facts
- 3 × 10 = 30
- 10 × 3 = 30
- 30 ÷ 3 = 10
- 30 ÷ 10 = 3
- Difficulty
- medium
Write the fact family for 10, 8, 80:
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Answer: 10 × 8 = 80; 8 × 10 = 80; 80 ÷ 10 = 8; 80 ÷ 8 = 10
- SubType
- fact-family
- Facts
- 10 × 8 = 80
- 8 × 10 = 80
- 80 ÷ 10 = 8
- 80 ÷ 8 = 10
- Difficulty
- medium
Write the fact family for 4, 6, 10:
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Answer: 4 + 6 = 10; 6 + 4 = 10; 10 - 4 = 6; 10 - 6 = 4
- SubType
- fact-family
- Facts
- 4 + 6 = 10
- 6 + 4 = 10
- 10 - 4 = 6
- 10 - 6 = 4
- Difficulty
- medium
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
- medium
Write the fact family for 12, 8, 20:
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Answer: 12 + 8 = 20; 8 + 12 = 20; 20 - 12 = 8; 20 - 8 = 12
- SubType
- fact-family
- Facts
- 12 + 8 = 20
- 8 + 12 = 20
- 20 - 12 = 8
- 20 - 8 = 12
- Difficulty
- medium
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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