Workbook Detail
Fact Family Add Sub Within 20 Medium — Set 79
Write the fact family for 18, 1, 19:
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Answer: 18 + 1 = 19; 1 + 18 = 19; 19 - 18 = 1; 19 - 1 = 18
- SubType
- fact-family
- Facts
- 18 + 1 = 19
- 1 + 18 = 19
- 19 - 18 = 1
- 19 - 1 = 18
- Difficulty
- medium
Write the fact family for 7, 4, 28:
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Answer: 7 × 4 = 28; 4 × 7 = 28; 28 ÷ 7 = 4; 28 ÷ 4 = 7
- SubType
- fact-family
- Facts
- 7 × 4 = 28
- 4 × 7 = 28
- 28 ÷ 7 = 4
- 28 ÷ 4 = 7
- Difficulty
- medium
Write the fact family for 14, 3, 17:
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Answer: 14 + 3 = 17; 3 + 14 = 17; 17 - 14 = 3; 17 - 3 = 14
- SubType
- fact-family
- Facts
- 14 + 3 = 17
- 3 + 14 = 17
- 17 - 14 = 3
- 17 - 3 = 14
- Difficulty
- medium
Write the fact family for 4, 16, 20:
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Answer: 4 + 16 = 20; 16 + 4 = 20; 20 - 4 = 16; 20 - 16 = 4
- SubType
- fact-family
- Facts
- 4 + 16 = 20
- 16 + 4 = 20
- 20 - 4 = 16
- 20 - 16 = 4
- Difficulty
- medium
Write the fact family for 2, 4, 8:
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Answer: 2 × 4 = 8; 4 × 2 = 8; 8 ÷ 2 = 4; 8 ÷ 4 = 2
- SubType
- fact-family
- Facts
- 2 × 4 = 8
- 4 × 2 = 8
- 8 ÷ 2 = 4
- 8 ÷ 4 = 2
- Difficulty
- medium
Write the fact family for 11, 8, 88:
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Answer: 11 × 8 = 88; 8 × 11 = 88; 88 ÷ 11 = 8; 88 ÷ 8 = 11
- SubType
- fact-family
- Facts
- 11 × 8 = 88
- 8 × 11 = 88
- 88 ÷ 11 = 8
- 88 ÷ 8 = 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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