Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 53
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 3, 12, 36:
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Answer: 3 × 12 = 36; 12 × 3 = 36; 36 ÷ 3 = 12; 36 ÷ 12 = 3
- SubType
- fact-family
- Facts
- 3 × 12 = 36
- 12 × 3 = 36
- 36 ÷ 3 = 12
- 36 ÷ 12 = 3
- Difficulty
- expert
Write the fact family for 3, 6, 9:
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Answer: 3 + 6 = 9; 6 + 3 = 9; 9 - 3 = 6; 9 - 6 = 3
- SubType
- fact-family
- Facts
- 3 + 6 = 9
- 6 + 3 = 9
- 9 - 3 = 6
- 9 - 6 = 3
- Difficulty
- expert
Write the fact family for 17, 1, 18:
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Answer: 17 + 1 = 18; 1 + 17 = 18; 18 - 17 = 1; 18 - 1 = 17
- SubType
- fact-family
- Facts
- 17 + 1 = 18
- 1 + 17 = 18
- 18 - 17 = 1
- 18 - 1 = 17
- Difficulty
- expert
Write the fact family for 10, 2, 12:
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Answer: 10 + 2 = 12; 2 + 10 = 12; 12 - 10 = 2; 12 - 2 = 10
- SubType
- fact-family
- Facts
- 10 + 2 = 12
- 2 + 10 = 12
- 12 - 10 = 2
- 12 - 2 = 10
- Difficulty
- expert
Write the fact family for 1, 15, 16:
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Answer: 1 + 15 = 16; 15 + 1 = 16; 16 - 1 = 15; 16 - 15 = 1
- SubType
- fact-family
- Facts
- 1 + 15 = 16
- 15 + 1 = 16
- 16 - 1 = 15
- 16 - 15 = 1
- 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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