Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 56
Write the fact family for 19, 1, 20:
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Answer: 19 + 1 = 20; 1 + 19 = 20; 20 - 19 = 1; 20 - 1 = 19
- SubType
- fact-family
- Facts
- 19 + 1 = 20
- 1 + 19 = 20
- 20 - 19 = 1
- 20 - 1 = 19
- Difficulty
- expert
Write the fact family for 13, 1, 14:
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Answer: 13 + 1 = 14; 1 + 13 = 14; 14 - 13 = 1; 14 - 1 = 13
- SubType
- fact-family
- Facts
- 13 + 1 = 14
- 1 + 13 = 14
- 14 - 13 = 1
- 14 - 1 = 13
- Difficulty
- expert
Write the fact family for 9, 11, 20:
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Answer: 9 + 11 = 20; 11 + 9 = 20; 20 - 9 = 11; 20 - 11 = 9
- SubType
- fact-family
- Facts
- 9 + 11 = 20
- 11 + 9 = 20
- 20 - 9 = 11
- 20 - 11 = 9
- Difficulty
- expert
Write the fact family for 12, 1, 13:
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Answer: 12 + 1 = 13; 1 + 12 = 13; 13 - 12 = 1; 13 - 1 = 12
- SubType
- fact-family
- Facts
- 12 + 1 = 13
- 1 + 12 = 13
- 13 - 12 = 1
- 13 - 1 = 12
- Difficulty
- expert
Write the fact family for 8, 5, 40:
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Answer: 8 × 5 = 40; 5 × 8 = 40; 40 ÷ 8 = 5; 40 ÷ 5 = 8
- SubType
- fact-family
- Facts
- 8 × 5 = 40
- 5 × 8 = 40
- 40 ÷ 8 = 5
- 40 ÷ 5 = 8
- Difficulty
- expert
Write the fact family for 5, 12, 60:
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Answer: 5 × 12 = 60; 12 × 5 = 60; 60 ÷ 5 = 12; 60 ÷ 12 = 5
- SubType
- fact-family
- Facts
- 5 × 12 = 60
- 12 × 5 = 60
- 60 ÷ 5 = 12
- 60 ÷ 12 = 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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