Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 78
Write the fact family for 5, 2, 10:
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Answer: 5 × 2 = 10; 2 × 5 = 10; 10 ÷ 5 = 2; 10 ÷ 2 = 5
- SubType
- fact-family
- Facts
- 5 × 2 = 10
- 2 × 5 = 10
- 10 ÷ 5 = 2
- 10 ÷ 2 = 5
- Difficulty
- expert
Write the fact family for 18, 1, 19:
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Answer: 18 + 1 = 19; 1 + 18 = 19; 19 - 18 = 1; 19 - 1 = 18
- SubType
- fact-family
- Facts
- 18 + 1 = 19
- 1 + 18 = 19
- 19 - 18 = 1
- 19 - 1 = 18
- Difficulty
- expert
Write the fact family for 18, 2, 20:
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Answer: 18 + 2 = 20; 2 + 18 = 20; 20 - 18 = 2; 20 - 2 = 18
- SubType
- fact-family
- Facts
- 18 + 2 = 20
- 2 + 18 = 20
- 20 - 18 = 2
- 20 - 2 = 18
- Difficulty
- expert
Write the fact family for 5, 8, 40:
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Answer: 5 × 8 = 40; 8 × 5 = 40; 40 ÷ 5 = 8; 40 ÷ 8 = 5
- SubType
- fact-family
- Facts
- 5 × 8 = 40
- 8 × 5 = 40
- 40 ÷ 5 = 8
- 40 ÷ 8 = 5
- Difficulty
- expert
Write the fact family for 12, 3, 15:
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Answer: 12 + 3 = 15; 3 + 12 = 15; 15 - 12 = 3; 15 - 3 = 12
- SubType
- fact-family
- Facts
- 12 + 3 = 15
- 3 + 12 = 15
- 15 - 12 = 3
- 15 - 3 = 12
- Difficulty
- expert
Write the fact family for 5, 11, 16:
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Answer: 5 + 11 = 16; 11 + 5 = 16; 16 - 5 = 11; 16 - 11 = 5
- SubType
- fact-family
- Facts
- 5 + 11 = 16
- 11 + 5 = 16
- 16 - 5 = 11
- 16 - 11 = 5
- 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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