Fact Family Add Sub Within 100 Expert — Set 50
Write the fact family for 51, 39, 90:
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Answer: 51 + 39 = 90; 39 + 51 = 90; 90 - 51 = 39; 90 - 39 = 51
- SubType
- fact-family
- Facts
- 51 + 39 = 90
- 39 + 51 = 90
- 90 - 51 = 39
- 90 - 39 = 51
- Difficulty
- expert
Write the fact family for 15, 85, 100:
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Answer: 15 + 85 = 100; 85 + 15 = 100; 100 - 15 = 85; 100 - 85 = 15
- SubType
- fact-family
- Facts
- 15 + 85 = 100
- 85 + 15 = 100
- 100 - 15 = 85
- 100 - 85 = 15
- Difficulty
- expert
Write the fact family for 84, 6, 90:
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Answer: 84 + 6 = 90; 6 + 84 = 90; 90 - 84 = 6; 90 - 6 = 84
- SubType
- fact-family
- Facts
- 84 + 6 = 90
- 6 + 84 = 90
- 90 - 84 = 6
- 90 - 6 = 84
- Difficulty
- expert
Write the fact family for 10, 3, 30:
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Answer: 10 × 3 = 30; 3 × 10 = 30; 30 ÷ 10 = 3; 30 ÷ 3 = 10
- SubType
- fact-family
- Facts
- 10 × 3 = 30
- 3 × 10 = 30
- 30 ÷ 10 = 3
- 30 ÷ 3 = 10
- Difficulty
- expert
Write the fact family for 11, 3, 33:
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Answer: 11 × 3 = 33; 3 × 11 = 33; 33 ÷ 11 = 3; 33 ÷ 3 = 11
- SubType
- fact-family
- Facts
- 11 × 3 = 33
- 3 × 11 = 33
- 33 ÷ 11 = 3
- 33 ÷ 3 = 11
- Difficulty
- expert
Write the fact family for 94, 5, 99:
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Answer: 94 + 5 = 99; 5 + 94 = 99; 99 - 94 = 5; 99 - 5 = 94
- SubType
- fact-family
- Facts
- 94 + 5 = 99
- 5 + 94 = 99
- 99 - 94 = 5
- 99 - 5 = 94
- Difficulty
- expert
Teaching Notes
Practice fact family add sub within 100 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
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Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
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