My Book of Subtraction
ISBN10: 1933241071 ISBN13: 9781933241074 Contributors: Not Available (Unknown) Publisher: Kumon Pub North America Ltd Published: Oct 6 2005 Pages: 80 Weight: 0.80lbs. Height: 11.50" Width: 8.25" Depth: 0.25" Language: English
'My Book of Subtraction' looks to build upon the key skills acquired in 'My Book of Simple Subtraction'; the eventual aim being to prepare children for higher-level mathematics by improving their basic subtraction skills. This title begins by practicing how to subtract numbers one to nine, before reinforcing this and extending the process to 20.