Workbook Detail
Fact Family Add Sub Within 20 Medium — Set 55
Write the fact family for 10, 3, 13:
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Answer: 10 + 3 = 13; 3 + 10 = 13; 13 - 10 = 3; 13 - 3 = 10
- SubType
- fact-family
- Facts
- 10 + 3 = 13
- 3 + 10 = 13
- 13 - 10 = 3
- 13 - 3 = 10
- Difficulty
- medium
Write the fact family for 8, 9, 72:
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Answer: 8 × 9 = 72; 9 × 8 = 72; 72 ÷ 8 = 9; 72 ÷ 9 = 8
- SubType
- fact-family
- Facts
- 8 × 9 = 72
- 9 × 8 = 72
- 72 ÷ 8 = 9
- 72 ÷ 9 = 8
- Difficulty
- medium
Write the fact family for 13, 5, 18:
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Answer: 13 + 5 = 18; 5 + 13 = 18; 18 - 13 = 5; 18 - 5 = 13
- SubType
- fact-family
- Facts
- 13 + 5 = 18
- 5 + 13 = 18
- 18 - 13 = 5
- 18 - 5 = 13
- Difficulty
- medium
Write the fact family for 15, 1, 16:
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Answer: 15 + 1 = 16; 1 + 15 = 16; 16 - 15 = 1; 16 - 1 = 15
- SubType
- fact-family
- Facts
- 15 + 1 = 16
- 1 + 15 = 16
- 16 - 15 = 1
- 16 - 1 = 15
- Difficulty
- medium
Write the fact family for 12, 5, 17:
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Answer: 12 + 5 = 17; 5 + 12 = 17; 17 - 12 = 5; 17 - 5 = 12
- SubType
- fact-family
- Facts
- 12 + 5 = 17
- 5 + 12 = 17
- 17 - 12 = 5
- 17 - 5 = 12
- Difficulty
- medium
Write the fact family for 11, 7, 18:
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Answer: 11 + 7 = 18; 7 + 11 = 18; 18 - 11 = 7; 18 - 7 = 11
- SubType
- fact-family
- Facts
- 11 + 7 = 18
- 7 + 11 = 18
- 18 - 11 = 7
- 18 - 7 = 11
- Difficulty
- medium
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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