Download or read book Arithmetricks written by Jeri S. Cipriano and published by Good Year Books. This book was released on 2006-11 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ask a friend to pick a random number, add this, subtract that-and presto, astound your friend by guessing the new number! Math riddles, mental math tricks, magic squares, brain teasers, geometry puzzlers, amazing math facts, money math, calculator math, math competitions, and more fill this book of reproducible handouts with challenging, fun math-related problems. Grades 4-6. Answer key. Illustrated.