Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 37
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
- hard
Write the fact family for 7, 1, 8:
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Answer: 7 + 1 = 8; 1 + 7 = 8; 8 - 7 = 1; 8 - 1 = 7
- SubType
- fact-family
- Facts
- 7 + 1 = 8
- 1 + 7 = 8
- 8 - 7 = 1
- 8 - 1 = 7
- Difficulty
- hard
Write the fact family for 12, 12, 144:
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Answer: 12 × 12 = 144; 12 × 12 = 144; 144 ÷ 12 = 12; 144 ÷ 12 = 12
- SubType
- fact-family
- Facts
- 12 × 12 = 144
- 12 × 12 = 144
- 144 ÷ 12 = 12
- 144 ÷ 12 = 12
- Difficulty
- hard
Write the fact family for 8, 7, 56:
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Answer: 8 × 7 = 56; 7 × 8 = 56; 56 ÷ 8 = 7; 56 ÷ 7 = 8
- SubType
- fact-family
- Facts
- 8 × 7 = 56
- 7 × 8 = 56
- 56 ÷ 8 = 7
- 56 ÷ 7 = 8
- Difficulty
- hard
Write the fact family for 7, 11, 18:
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Answer: 7 + 11 = 18; 11 + 7 = 18; 18 - 7 = 11; 18 - 11 = 7
- SubType
- fact-family
- Facts
- 7 + 11 = 18
- 11 + 7 = 18
- 18 - 7 = 11
- 18 - 11 = 7
- Difficulty
- hard
Write the fact family for 12, 6, 18:
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Answer: 12 + 6 = 18; 6 + 12 = 18; 18 - 12 = 6; 18 - 6 = 12
- SubType
- fact-family
- Facts
- 12 + 6 = 18
- 6 + 12 = 18
- 18 - 12 = 6
- 18 - 6 = 12
- Difficulty
- hard
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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