Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 90
Write the fact family for 9, 12, 108:
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Answer: 9 × 12 = 108; 12 × 9 = 108; 108 ÷ 9 = 12; 108 ÷ 12 = 9
- SubType
- fact-family
- Facts
- 9 × 12 = 108
- 12 × 9 = 108
- 108 ÷ 9 = 12
- 108 ÷ 12 = 9
- Difficulty
- expert
Write the fact family for 4, 9, 36:
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Answer: 4 × 9 = 36; 9 × 4 = 36; 36 ÷ 4 = 9; 36 ÷ 9 = 4
- SubType
- fact-family
- Facts
- 4 × 9 = 36
- 9 × 4 = 36
- 36 ÷ 4 = 9
- 36 ÷ 9 = 4
- Difficulty
- expert
Write the fact family for 13, 5, 18:
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Answer: 13 + 5 = 18; 5 + 13 = 18; 18 - 13 = 5; 18 - 5 = 13
- SubType
- fact-family
- Facts
- 13 + 5 = 18
- 5 + 13 = 18
- 18 - 13 = 5
- 18 - 5 = 13
- Difficulty
- expert
Write the fact family for 5, 10, 15:
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Answer: 5 + 10 = 15; 10 + 5 = 15; 15 - 5 = 10; 15 - 10 = 5
- SubType
- fact-family
- Facts
- 5 + 10 = 15
- 10 + 5 = 15
- 15 - 5 = 10
- 15 - 10 = 5
- Difficulty
- expert
Write the fact family for 4, 3, 7:
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Answer: 4 + 3 = 7; 3 + 4 = 7; 7 - 4 = 3; 7 - 3 = 4
- SubType
- fact-family
- Facts
- 4 + 3 = 7
- 3 + 4 = 7
- 7 - 4 = 3
- 7 - 3 = 4
- Difficulty
- expert
Write the fact family for 10, 3, 30:
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Answer: 10 × 3 = 30; 3 × 10 = 30; 30 ÷ 10 = 3; 30 ÷ 3 = 10
- SubType
- fact-family
- Facts
- 10 × 3 = 30
- 3 × 10 = 30
- 30 ÷ 10 = 3
- 30 ÷ 3 = 10
- Difficulty
- expert
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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