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Divisibility Rules
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Applying what they know about divisibility rules will make these problems more accessible to students.
- Related Resources
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Interactive resources from our Math Tools project:
Math 7: Number Theory
The closest match in our Ask Dr. Math archives:
FAQ: Divisibility Rules
NCTM Standards:
Number and Operations Standard for Grades 6-8
Access to these problems requires a Membership.
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Counting Chicken Wings
- Annie Fetter, Suzanne Alejandre
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Pre-algebra, difficulty level 3. Figure out how many wings are in the Biggest Bucket O' Wings.
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Divisible by a Dozen
- Terry Trotter & Annie Fetter
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Pre-Algebra, difficulty level 3. If you take any three consecutive integers, multiply the first times the square of the second, then multiply by the third, is 12 a factor of the product?
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Kate's Combination
- Suzanne Alejandre
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Pre-Algebra, difficulty level 2. Find Kate's locker combination using mathematical clues. Is there more than one possibility?
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