Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 18
Write the fact family for 1, 3, 4:
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Answer: 1 + 3 = 4; 3 + 1 = 4; 4 - 1 = 3; 4 - 3 = 1
- SubType
- fact-family
- Facts
- 1 + 3 = 4
- 3 + 1 = 4
- 4 - 1 = 3
- 4 - 3 = 1
- Difficulty
- expert
Write the fact family for 7, 5, 35:
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Answer: 7 × 5 = 35; 5 × 7 = 35; 35 ÷ 7 = 5; 35 ÷ 5 = 7
- SubType
- fact-family
- Facts
- 7 × 5 = 35
- 5 × 7 = 35
- 35 ÷ 7 = 5
- 35 ÷ 5 = 7
- Difficulty
- expert
Write the fact family for 12, 7, 19:
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Answer: 12 + 7 = 19; 7 + 12 = 19; 19 - 12 = 7; 19 - 7 = 12
- SubType
- fact-family
- Facts
- 12 + 7 = 19
- 7 + 12 = 19
- 19 - 12 = 7
- 19 - 7 = 12
- Difficulty
- expert
Write the fact family for 5, 4, 20:
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Answer: 5 × 4 = 20; 4 × 5 = 20; 20 ÷ 5 = 4; 20 ÷ 4 = 5
- SubType
- fact-family
- Facts
- 5 × 4 = 20
- 4 × 5 = 20
- 20 ÷ 5 = 4
- 20 ÷ 4 = 5
- Difficulty
- expert
Write the fact family for 10, 5, 15:
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Answer: 10 + 5 = 15; 5 + 10 = 15; 15 - 10 = 5; 15 - 5 = 10
- SubType
- fact-family
- Facts
- 10 + 5 = 15
- 5 + 10 = 15
- 15 - 10 = 5
- 15 - 5 = 10
- Difficulty
- expert
Write the fact family for 8, 2, 16:
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Answer: 8 × 2 = 16; 2 × 8 = 16; 16 ÷ 8 = 2; 16 ÷ 2 = 8
- SubType
- fact-family
- Facts
- 8 × 2 = 16
- 2 × 8 = 16
- 16 ÷ 8 = 2
- 16 ÷ 2 = 8
- 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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