Unit, ten(th)s, hundred(th)s, thousand(th)s-Dienes

From days at Primary; animated & adjusted to work for -ve powers of 10 as well as +ve. Kibel [pp34-40 Miles T.R., Miles E. (2004)Dyslexia é mathematics] has +ve story to tell about Dienes blocks. Worth remembering that their use can be scaled up é down. Hence BETTER version will be made by someone with time é 3D ICT kit. It’ll ZOOM in é out to enable pupils to view (é correctly name - for US é Brit purposes!) numbers as big as a Googol é as small as... It'll use techniques like those in these slides; but combined with ZOOMING as seen in this: http://www.youtube.com/watch?v=I-Tym_6YLUI