- Algebraic Expressions and Equations
- Coordinate Geometry
- General Math
- Logic
- Measurement
- Number Theory
- Percents and Fractions
- Plane Geometry
- Probability, Counting and Combinatorics
- Problem Solving (Misc.)
- Proportional Reasoning
- Sequences, Series and Patterns
- Solid Geometry
- Statistics and Data
- Number Theory
- Problem Solving (Misc.)
Mathletes are likely most comfortable working with numbers in base 10, but there are many other number systems to explore - other integer bases, fractional bases, and even negative bases. This plan...
- Algebraic Expressions and Equations
- General Math
- Problem Solving (Misc.)
Derrick received a total of 21 gift cards for graduation. He received gift cards in each of four denominations, $25, $50, $75 and $100. The number of $100 gift cards Derrick got was twice the number...
- Algebraic Expressions and Equations
- Problem Solving (Misc.)
- Sequences, Series and Patterns
Final exams often accompany the final days of school. Sherry has had four tests so far in her science class, each worth 1/6 of her final grade. She scored 87%, 89%, 92% and 91% on these tests. Her...
- General Math
- Percents and Fractions
- Problem Solving (Misc.)
The July 4 holiday is one that many people plan their summer vacations around. Peggy works a Monday through Friday job that has the following July 4 holiday policy. If July 4 falls on a weekend...
- Problem Solving (Misc.)
- Solid Geometry
From our friends at DiscoverE, this activity has Mathletes build and test a truss bridge between two chairs. Have Mathletes watch the video first, then get started! Find instructions for the Truss...
- General Math
- Problem Solving (Misc.)
Phoenix earns hotel rewards points whenever she stays at a participating hotel. She can then use these points to pay for future hotel stays. For instance, a stay that costs $500 could be paid for...