The ZeroSum Ruler: How the Ruler Works ZeroSum Ruler

ISBN:

Published: December 20th 2010

Nook

0 pages


Description

The ZeroSum Ruler: How the Ruler Works  by  ZeroSum Ruler

The ZeroSum Ruler: How the Ruler Works by ZeroSum Ruler
December 20th 2010 | Nook | PDF, EPUB, FB2, DjVu, talking book, mp3, RTF | 0 pages | ISBN: | 9.63 Mb

This free eBook explains how the ZeroSum Ruler works differently - yet more intuitively - than standard ways of teaching integer addition and subtraction. If you find yourself intrigued, the ZeroSum Rulers other eBook contains a ruler cut out andMoreThis free eBook explains how the ZeroSum Ruler works differently - yet more intuitively - than standard ways of teaching integer addition and subtraction. If you find yourself intrigued, the ZeroSum Rulers other eBook contains a ruler cut out and simple instructions for use.

Enjoy!HaPpY Calculating!Shana Donohuezerosumruler.wordpress.com/



Enter the sum





Related Archive Books

  1. 21.06.2012Mavrica
  2. 09.04.2011The Ison Delusion


Related Books


Comments

Comments for "The ZeroSum Ruler: How the Ruler Works":


wploityce.pl

©2013-2015 | DMCA | Contact us