Randy Silverman

Mental Math Secrets Randy Silverman

Mental math i? the ability to n?t only d? ?im?l? m?th?m?ti?? in your h??d but also the not-so-simple m?th?m?ti?? as well. Students will ??t?nti?ll? benefit th? m??t fr?m thi? ?kill but ????l? ?f all ?g?? will find th?t h?ving th? ?bilit? t? d? m?th in your h??d ?nri?h?? ??ur lif? in ways you've n?v?r ?v?n thought ?f before. In our m?d?rn world we're u??d to u?ing machines to h?l? u? ??l?ul?t?r?, computers, cash r?gi?t?r?, ?t?. M?nt?l math gives you th? ability t? ??rf?rm simple and ?v?n ??m?tim?? ??m?l?x ??l?ul?ti?n? in your h??d in less tim? th?n it t?k?? to punch th? numbers int? ??ur calculator!