ISBN-13: 9781503268463 / Angielski / Miękka / 2014 / 108 str.
ISBN-13: 9781503268463 / Angielski / Miękka / 2014 / 108 str.
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.