Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 79
Write the fact family for 2, 5, 10:
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Answer: 2 × 5 = 10; 5 × 2 = 10; 10 ÷ 2 = 5; 10 ÷ 5 = 2
- SubType
- fact-family
- Facts
- 2 × 5 = 10
- 5 × 2 = 10
- 10 ÷ 2 = 5
- 10 ÷ 5 = 2
- Difficulty
- expert
Write the fact family for 2, 4, 6:
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Answer: 2 + 4 = 6; 4 + 2 = 6; 6 - 2 = 4; 6 - 4 = 2
- SubType
- fact-family
- Facts
- 2 + 4 = 6
- 4 + 2 = 6
- 6 - 2 = 4
- 6 - 4 = 2
- 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, 8, 19:
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Answer: 11 + 8 = 19; 8 + 11 = 19; 19 - 11 = 8; 19 - 8 = 11
- SubType
- fact-family
- Facts
- 11 + 8 = 19
- 8 + 11 = 19
- 19 - 11 = 8
- 19 - 8 = 11
- 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
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
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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