How to Calculate Quickly: Full Course in Speed Arithmetic

Many useful procedures explained and taught: 2-column addition, left-to-right subtraction, direct multiplication by numbers greater than 12, mental division of large numbers, more. Also numerous helpful shortcuts. More than 8,000 problems, with solutions.

Binding Type: Paperback
Publisher: WWW.Snowballpublishing.com
Published: 03/15/2012
ISBN: 9781607964209
Pages: 194
Weight: 0.64lbs
Size: 9.00h x 6.00w x 0.45d