Workbook Detail
Fact Family Add Sub Within 20 Expert — Set 26
Write the fact family for 13, 2, 15:
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Answer: 13 + 2 = 15; 2 + 13 = 15; 15 - 13 = 2; 15 - 2 = 13
- SubType
- fact-family
- Facts
- 13 + 2 = 15
- 2 + 13 = 15
- 15 - 13 = 2
- 15 - 2 = 13
- Difficulty
- expert
Write the fact family for 1, 2, 3:
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Answer: 1 + 2 = 3; 2 + 1 = 3; 3 - 1 = 2; 3 - 2 = 1
- SubType
- fact-family
- Facts
- 1 + 2 = 3
- 2 + 1 = 3
- 3 - 1 = 2
- 3 - 2 = 1
- Difficulty
- expert
Write the fact family for 5, 4, 9:
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Answer: 5 + 4 = 9; 4 + 5 = 9; 9 - 5 = 4; 9 - 4 = 5
- SubType
- fact-family
- Facts
- 5 + 4 = 9
- 4 + 5 = 9
- 9 - 5 = 4
- 9 - 4 = 5
- Difficulty
- expert
Write the fact family for 4, 7, 11:
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Answer: 4 + 7 = 11; 7 + 4 = 11; 11 - 4 = 7; 11 - 7 = 4
- SubType
- fact-family
- Facts
- 4 + 7 = 11
- 7 + 4 = 11
- 11 - 4 = 7
- 11 - 7 = 4
- Difficulty
- expert
Write the fact family for 9, 8, 72:
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Answer: 9 × 8 = 72; 8 × 9 = 72; 72 ÷ 9 = 8; 72 ÷ 8 = 9
- SubType
- fact-family
- Facts
- 9 × 8 = 72
- 8 × 9 = 72
- 72 ÷ 9 = 8
- 72 ÷ 8 = 9
- Difficulty
- expert
Write the fact family for 3, 6, 9:
Show answer
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
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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