Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 85
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 2, 10, 20:
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Answer: 2 × 10 = 20; 10 × 2 = 20; 20 ÷ 2 = 10; 20 ÷ 10 = 2
- SubType
- fact-family
- Facts
- 2 × 10 = 20
- 10 × 2 = 20
- 20 ÷ 2 = 10
- 20 ÷ 10 = 2
- Difficulty
- expert
Write the fact family for 10, 4, 40:
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Answer: 10 × 4 = 40; 4 × 10 = 40; 40 ÷ 10 = 4; 40 ÷ 4 = 10
- SubType
- fact-family
- Facts
- 10 × 4 = 40
- 4 × 10 = 40
- 40 ÷ 10 = 4
- 40 ÷ 4 = 10
- Difficulty
- expert
Write the fact family for 2, 2, 4:
Show answer
Answer: 2 × 2 = 4; 2 × 2 = 4; 4 ÷ 2 = 2; 4 ÷ 2 = 2
- SubType
- fact-family
- Facts
- 2 × 2 = 4
- 2 × 2 = 4
- 4 ÷ 2 = 2
- 4 ÷ 2 = 2
- Difficulty
- expert
Write the fact family for 5, 9, 45:
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Answer: 5 × 9 = 45; 9 × 5 = 45; 45 ÷ 5 = 9; 45 ÷ 9 = 5
- SubType
- fact-family
- Facts
- 5 × 9 = 45
- 9 × 5 = 45
- 45 ÷ 5 = 9
- 45 ÷ 9 = 5
- Difficulty
- expert
Write the fact family for 9, 9, 81:
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Answer: 9 × 9 = 81; 9 × 9 = 81; 81 ÷ 9 = 9; 81 ÷ 9 = 9
- SubType
- fact-family
- Facts
- 9 × 9 = 81
- 9 × 9 = 81
- 81 ÷ 9 = 9
- 81 ÷ 9 = 9
- Difficulty
- expert
Teaching Notes
Practice fact family add sub within 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
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