EMT 725

Philippa M. Rhodes


Links to other challenge problem pages:

NCTM Challenge Problems

Math problems and puzzles

Logic and math problems

Brain Storm

Interactive Mathematics Education and Puzzles


TEN SOLUTIONS

Average Rate

Cryptorithms

Inaccessible Angle

Painted Sides of a Cube

Pie Slices

Plug

Segment of Circle

Semi vs. Quarter Circle

Sum of First n integers

Tangent Lines - Internal and External



Write-ups

A. Unsolved Problem

Four 'Dawgs'


B. Position Paper


OTHER PROBLEMS

Flower Bed

Gazebo

Island Treasure

Which is Largest?



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