Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 11
Write the fact family for 5, 9, 14:
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Answer: 5 + 9 = 14; 9 + 5 = 14; 14 - 5 = 9; 14 - 9 = 5
- SubType
- fact-family
- Facts
- 5 + 9 = 14
- 9 + 5 = 14
- 14 - 5 = 9
- 14 - 9 = 5
- Difficulty
- hard
Write the fact family for 9, 2, 18:
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Answer: 9 × 2 = 18; 2 × 9 = 18; 18 ÷ 9 = 2; 18 ÷ 2 = 9
- SubType
- fact-family
- Facts
- 9 × 2 = 18
- 2 × 9 = 18
- 18 ÷ 9 = 2
- 18 ÷ 2 = 9
- Difficulty
- hard
Write the fact family for 3, 12, 36:
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Answer: 3 × 12 = 36; 12 × 3 = 36; 36 ÷ 3 = 12; 36 ÷ 12 = 3
- SubType
- fact-family
- Facts
- 3 × 12 = 36
- 12 × 3 = 36
- 36 ÷ 3 = 12
- 36 ÷ 12 = 3
- Difficulty
- hard
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
- hard
Write the fact family for 8, 10, 18:
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Answer: 8 + 10 = 18; 10 + 8 = 18; 18 - 8 = 10; 18 - 10 = 8
- SubType
- fact-family
- Facts
- 8 + 10 = 18
- 10 + 8 = 18
- 18 - 8 = 10
- 18 - 10 = 8
- Difficulty
- hard
Write the fact family for 5, 12, 60:
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Answer: 5 × 12 = 60; 12 × 5 = 60; 60 ÷ 5 = 12; 60 ÷ 12 = 5
- SubType
- fact-family
- Facts
- 5 × 12 = 60
- 12 × 5 = 60
- 60 ÷ 5 = 12
- 60 ÷ 12 = 5
- Difficulty
- hard
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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