Spotting numbers: Background Information 

Summary  Make and change dot patterns. The applet will count the number of dots you use fro each color. A series of problems goes with this applet, see 'Spotting Numbers Problems'. 
Subject  algebra, calculus  discrete mathematics 
Age Group  middle school (gr. 78)  high school (gr. 910)  high school (gr. 1112) 
Programmer  Huub Nilwik 
Author  Huub Nilwik 
Version  revised version 
© wisweb.nl 2003  2012 