Download or read book Project Mind-Math Is Not Difficult Third Grade Mental Math Flash Cards written by Hui Fang Huang Su and published by CreateSpace. This book was released on 2014-11-17 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: The mental math flash cards are for teachers to use with their students during classroom competitions. Upon looking at the math problem on a flash card, student solves the problem mentally as fast as he/she can, usually within three seconds. The purpose is to help students build speed and accuracy while solving arithmetic problems.