Workbook Detail
Fact Family Add Sub Within 20 Hard — Set 75
Write the fact family for 11, 5, 55:
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Answer: 11 × 5 = 55; 5 × 11 = 55; 55 ÷ 11 = 5; 55 ÷ 5 = 11
- SubType
- fact-family
- Facts
- 11 × 5 = 55
- 5 × 11 = 55
- 55 ÷ 11 = 5
- 55 ÷ 5 = 11
- Difficulty
- hard
Write the fact family for 4, 7, 28:
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Answer: 4 × 7 = 28; 7 × 4 = 28; 28 ÷ 4 = 7; 28 ÷ 7 = 4
- SubType
- fact-family
- Facts
- 4 × 7 = 28
- 7 × 4 = 28
- 28 ÷ 4 = 7
- 28 ÷ 7 = 4
- Difficulty
- hard
Write the fact family for 6, 10, 16:
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Answer: 6 + 10 = 16; 10 + 6 = 16; 16 - 6 = 10; 16 - 10 = 6
- SubType
- fact-family
- Facts
- 6 + 10 = 16
- 10 + 6 = 16
- 16 - 6 = 10
- 16 - 10 = 6
- Difficulty
- hard
Write the fact family for 17, 3, 20:
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Answer: 17 + 3 = 20; 3 + 17 = 20; 20 - 17 = 3; 20 - 3 = 17
- SubType
- fact-family
- Facts
- 17 + 3 = 20
- 3 + 17 = 20
- 20 - 17 = 3
- 20 - 3 = 17
- Difficulty
- hard
Write the fact family for 15, 3, 18:
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Answer: 15 + 3 = 18; 3 + 15 = 18; 18 - 15 = 3; 18 - 3 = 15
- SubType
- fact-family
- Facts
- 15 + 3 = 18
- 3 + 15 = 18
- 18 - 15 = 3
- 18 - 3 = 15
- Difficulty
- hard
Write the fact family for 18, 2, 20:
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Answer: 18 + 2 = 20; 2 + 18 = 20; 20 - 18 = 2; 20 - 2 = 18
- SubType
- fact-family
- Facts
- 18 + 2 = 20
- 2 + 18 = 20
- 20 - 18 = 2
- 20 - 2 = 18
- 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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