- Plane Geometry
- Solid Geometry
Gretchen is going to make a witch’s hat for Halloween. Her pattern consists of a right circular cone without a base attached to a circle with a hole cut out of the middle, as shown below. The hole is...
- Algebraic Expressions and Equations
- Plane Geometry
- Solid Geometry
Structural engineering is a sub-field of civil engineering in which structures like bridges, buildings and even things like concert stages are designed and analyzed. Structural engineers must consider...
- Algebraic Expressions and Equations
- General Math
- Probability, Counting and Combinatorics
- Solid Geometry
In honor of Engineers Week, we’re posting a throwback to a sampling of previous years’ Future Engineers Problems of the Day. Join us next week for all new engineering-themed Problems of the Day for...
- Probability, Counting and Combinatorics
- Proportional Reasoning
- Solid Geometry
Last Thursday, March 17 was St. Patrick’s Day when, typically, more people than usual wear some article of green clothing. Patrick has a leprechaun hat that looks like a tall, green top hat. The main...
- Percents and Fractions
- Proportional Reasoning
- Solid Geometry
- Statistics and Data
Mother's Day is a holiday honoring mothers and is celebrated on the second Sunday in May in the United States. In 1914, President Woodrow Wilson declared the first national Mother's Day. Mother's Day...