Science & Mathematics Puzzles

AIMS Education Foundation

Barcodes Inc - Math and Logic Problems Galore - submitted by the students of Ms. Kimberly McKnight

Brian White's Science Puzzles

**Columbus State University - Problem of the Week Contest**

**Dansmath Problem of the Week**

IBM Ponder This

Ken Duisenberg's Puzzle of the Week

Math Calculators for Kids - submitted by Mary

Math Forum: Problems of the Week

Math Forum: Geometry Problem of the Week

Math Forum: Algebra Problem of the Week

Math Forum: Math Fundamentals Problem of the Week

Math Forum: Discrete Math Problems of the Week

Macalester College Problem of the Week

Math Magic

Purdue University Problem of the Week

PuzzleUp

Pzzls - Math

Pzzls - Science

Science Crossword Puzzles

Science Spot

Science University - Tetrahedral puzzles

Trent University Problem of the Week

University of Regina Monthly Problem

Wabash College Problem of the Fortnight

White House Math Challenge