Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 93
Write the fact family for 2, 18, 20:
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Answer: 2 + 18 = 20; 18 + 2 = 20; 20 - 2 = 18; 20 - 18 = 2
- SubType
- fact-family
- Facts
- 2 + 18 = 20
- 18 + 2 = 20
- 20 - 2 = 18
- 20 - 18 = 2
- Difficulty
- expert
Write the fact family for 9, 1, 10:
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Answer: 9 + 1 = 10; 1 + 9 = 10; 10 - 9 = 1; 10 - 1 = 9
- SubType
- fact-family
- Facts
- 9 + 1 = 10
- 1 + 9 = 10
- 10 - 9 = 1
- 10 - 1 = 9
- Difficulty
- expert
Write the fact family for 15, 2, 17:
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Answer: 15 + 2 = 17; 2 + 15 = 17; 17 - 15 = 2; 17 - 2 = 15
- SubType
- fact-family
- Facts
- 15 + 2 = 17
- 2 + 15 = 17
- 17 - 15 = 2
- 17 - 2 = 15
- Difficulty
- expert
Write the fact family for 11, 2, 22:
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Answer: 11 × 2 = 22; 2 × 11 = 22; 22 ÷ 11 = 2; 22 ÷ 2 = 11
- SubType
- fact-family
- Facts
- 11 × 2 = 22
- 2 × 11 = 22
- 22 ÷ 11 = 2
- 22 ÷ 2 = 11
- Difficulty
- expert
Write the fact family for 5, 1, 6:
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Answer: 5 + 1 = 6; 1 + 5 = 6; 6 - 5 = 1; 6 - 1 = 5
- SubType
- fact-family
- Facts
- 5 + 1 = 6
- 1 + 5 = 6
- 6 - 5 = 1
- 6 - 1 = 5
- Difficulty
- expert
Write the fact family for 10, 11, 110:
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Answer: 10 × 11 = 110; 11 × 10 = 110; 110 ÷ 10 = 11; 110 ÷ 11 = 10
- SubType
- fact-family
- Facts
- 10 × 11 = 110
- 11 × 10 = 110
- 110 ÷ 10 = 11
- 110 ÷ 11 = 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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