by Henry Sticker (Author)
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.
Number of Pages: 194
Dimensions: 0.45 x 9 x 6 IN
Publication Date: March 20, 2012