Current Problems of the Week


Pick 'em Up! - March 16

How many more beads are still left on the floor after Sharon picks some of them up?

Preview: Hannah's Cookies


What's the Temperature? - March 23


Play with the formulas for Fahrenheit and Celsius to learn about how they are related.

Latest Solution: Splitting a Square

Math Fundamentals

Teresa's Tiles - March 23

tile How many square tiles does Teresa need to cover her bathroom floor?

Latest Solution: Frog Farming


Voulez Vous des Voussoirs? - March 16


Voussoirs are trapezoidal chunks of stone used to build stone arches.

Latest Solution: Extending the Enneagon
Preview: The Perimeter of an Octagon


Cynthia's Solitaire Challenge - March 16

card Help Cynthia think about how to keep her winning percentage at 90% or above.

Latest Solution: Tunnel Time
Preview: Mikey and Lily Eat Cereal

Trig & Calculus

Let Me Guess Your Number - March 23

sealCan Katie learn to read her brother's mind?

Latest Solution: The Suspension Bridge

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