Fact Family Add Sub Within 100 Hard — Set 72
Write the fact family for 9, 10, 90:
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Answer: 9 × 10 = 90; 10 × 9 = 90; 90 ÷ 9 = 10; 90 ÷ 10 = 9
- SubType
- fact-family
- Facts
- 9 × 10 = 90
- 10 × 9 = 90
- 90 ÷ 9 = 10
- 90 ÷ 10 = 9
- Difficulty
- hard
Write the fact family for 20, 51, 71:
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Answer: 20 + 51 = 71; 51 + 20 = 71; 71 - 20 = 51; 71 - 51 = 20
- SubType
- fact-family
- Facts
- 20 + 51 = 71
- 51 + 20 = 71
- 71 - 20 = 51
- 71 - 51 = 20
- Difficulty
- hard
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
- hard
Write the fact family for 70, 2, 72:
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Answer: 70 + 2 = 72; 2 + 70 = 72; 72 - 70 = 2; 72 - 2 = 70
- SubType
- fact-family
- Facts
- 70 + 2 = 72
- 2 + 70 = 72
- 72 - 70 = 2
- 72 - 2 = 70
- Difficulty
- hard
Write the fact family for 38, 47, 85:
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Answer: 38 + 47 = 85; 47 + 38 = 85; 85 - 38 = 47; 85 - 47 = 38
- SubType
- fact-family
- Facts
- 38 + 47 = 85
- 47 + 38 = 85
- 85 - 38 = 47
- 85 - 47 = 38
- Difficulty
- hard
Write the fact family for 65, 20, 85:
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Answer: 65 + 20 = 85; 20 + 65 = 85; 85 - 65 = 20; 85 - 20 = 65
- SubType
- fact-family
- Facts
- 65 + 20 = 85
- 20 + 65 = 85
- 85 - 65 = 20
- 85 - 20 = 65
- Difficulty
- hard
Teaching Notes
Practice fact family add sub within 100 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
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