- Algebraic Expressions and Equations
- Plane Geometry
- Problem Solving (Misc.)
May is National Bike Month, so here are a few problems related to bicycles. Brenden is riding an old-time bicycle that has a back wheel with a diameter of 1 foot and a front wheel with a radius of 1.5...
- Algebraic Expressions and Equations
- Probability, Counting and Combinatorics
- Problem Solving (Misc.)
- Sequences, Series and Patterns
Abby, Brenda, Celia, Denise and Elizabeth are going to their town’s annual hayride. Tickets cost $8.00 for people 12 years old and older but only $5.00 for people 11 years old and younger. The total...
- Probability, Counting and Combinatorics
- Problem Solving (Misc.)
The 3rd Thursday in April (April 18, 2024) is National High Five Day! For National High Five Day, Ronnie’s class decides that everyone in the class should exchange one high five with each other person...
- Probability, Counting and Combinatorics
- Problem Solving (Misc.)
According to the North American Numbering Plan Administration (NANPA) standards, U.S. phone numbers contain a 3-digit area code, followed by a 3-digit exchange code and end in a 4-digit subscriber...