Boo! There is a mystery behind every door of the creepy haunted house. Luckily, algebra will help you solve each problem. By using simple addition, subtraction, mulitplication, and division, you'll discover that solving math mysteries isn't scary at all -- it's fun!

Building serious math skills has never been so much fun!

Famed puzzle expert explains math behind a multitude of mystifying tricks: card tricks, stage "mind reading," coin and match tricks, counting out games, geometric dissections, etc. More than 400 tricks. 135 illustrations.

Intriguing math practice pages that reinforce skills in place value, odd and even numbers, addition and subtraction, and multiplication and division facts. Students solve problems and then use a key to color and reveal a mystery picture. Riddle clues on each page add to the fun! Unique and intriguing mystery format engages all learners. Self-checking activities encourage independent practice. Gives students the repeated math practice they need. Meets NCTM Standards!

This book contains 25 reproducible stories and activities to help children build problem-solving skills.

A meditation on the beauty and meaning of numbers, exploring mathematical equations, describing some of the mathematical discoveries of the past millennia, and pondering philosophical questions about the relation of numbers to the universe.

Great discovery revealed! It's been found 90% of the students do not know a key basic to UNLOCKING THE MYSTERY TO MATH! The missing link was found to helping a student understand MATH better. This book has been presented to 5th grade and up through college. The response has been, "OH MY GOSH, I didn't know that before." It's an eye-opener for many students and adults.