Current Problems of the Week


Trading Card Price Tag - September 19

two boys How much is Richie's Red Sox card worth?


Take Me Out to the Ballgame - September 26

pitcher Determine how many innings a pitcher has thrown as his Earned Run Average changes during a game.

Latest Solution: Eduardo's Equation Challenge

Math Fundamentals

Peanut Butter and Jelly - September 26

sandwich How many peanut butter and jelly sandwiches will I need to make before finishing a bag of bread, a jar of peanut butter and a jar of jelly at the same time?

Latest Solution: Mini-Mall Measurements


Plane and Simple? - September 19


Explore splitting the plane into regions using lines.

Latest Solution: Triple Tango


Photo Wall - September 19

balloons Find the dimensions of the large poster.

Latest Solution: Symmetry Surprise

Trig & Calculus

Shipping Packages - September 26

box Find the maximum volume of a box based on the given information.

Latest Solution: Simple Signals

© 2016 NCTM. All Rights Reserved.