sequences and series
operations with numbers
ratio & proportion
geometry in the plane
geometry in space
logic & set theory
Applying what they know about divisibility rules will make these problems more accessible to students.
- Related Resources
Interactive resources from our Math Tools project:
Math 7: Number Theory
The closest match in our Ask Dr. Math archives:
FAQ: Divisibility Rules
Number and Operations Standard for Grades 6-8
Access to these problems requires a Membership.
Counting Chicken Wings
- Annie Fetter, Suzanne Alejandre
Pre-Algebra, difficulty level 3. Figure out how many wings are in the Biggest Bucket O' Wings.
Divisible by a Dozen
- Terry Trotter & Annie Fetter
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?
- Suzanne Alejandre
Pre-Algebra, difficulty level 2. Find Kate's locker combination using mathematical clues. Is there more than one possibility?