Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 21
Write the fact family for 13, 4, 17:
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Answer: 13 + 4 = 17; 4 + 13 = 17; 17 - 13 = 4; 17 - 4 = 13
- SubType
- fact-family
- Facts
- 13 + 4 = 17
- 4 + 13 = 17
- 17 - 13 = 4
- 17 - 4 = 13
- 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, 3, 12:
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Answer: 9 + 3 = 12; 3 + 9 = 12; 12 - 9 = 3; 12 - 3 = 9
- SubType
- fact-family
- Facts
- 9 + 3 = 12
- 3 + 9 = 12
- 12 - 9 = 3
- 12 - 3 = 9
- Difficulty
- expert
Write the fact family for 3, 10, 13:
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Answer: 3 + 10 = 13; 10 + 3 = 13; 13 - 3 = 10; 13 - 10 = 3
- SubType
- fact-family
- Facts
- 3 + 10 = 13
- 10 + 3 = 13
- 13 - 3 = 10
- 13 - 10 = 3
- Difficulty
- expert
Write the fact family for 6, 9, 54:
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Answer: 6 × 9 = 54; 9 × 6 = 54; 54 ÷ 6 = 9; 54 ÷ 9 = 6
- SubType
- fact-family
- Facts
- 6 × 9 = 54
- 9 × 6 = 54
- 54 ÷ 6 = 9
- 54 ÷ 9 = 6
- Difficulty
- expert
Write the fact family for 12, 3, 36:
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Answer: 12 × 3 = 36; 3 × 12 = 36; 36 ÷ 12 = 3; 36 ÷ 3 = 12
- SubType
- fact-family
- Facts
- 12 × 3 = 36
- 3 × 12 = 36
- 36 ÷ 12 = 3
- 36 ÷ 3 = 12
- 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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