Use dynamic geometry software to explore scale factor and similarity. 0706.1.12

Links verified on 1/15/2010

1. Activities at Illuminations - Illuminations has 102 online activities available. Select which types of activities you are looking for, and click Search.
2. Base 10 Blocks - virtual manipulative or
3. Colored Chip Models - use manipulatives to model addition, subtraction, multiplication, and division with positive and negative integers [includes two practice problems]
4. Electronic Examples - index of manipulatives from NCTM
5. GeoBoard - this two-part example describes activities that use interactive geoboards or
6. Integer Bars - learning fractions and more with on-line manipulatives or
7. Math Playground - a small but growing collection of manipulatives for teaching and learning or
8. National Library of Virtual Manipulatives - sixteen Algebra manipulatives for grades 6-8 [More topics and grade levels available at the NLVM home page] or
9. Pattern Blocks Program - use tools to solve a variety of problems or
10. Tangrams - interactive geometric site or
11. Teacher Dodgeball - fill in numbers on an equation - Each blank of the equation stands for a number on a teacher. Hit the teacher with the number that goes next in the equation by clicking on them.
12. Virtual Manipulatives - a list of various manipulatives [designed for grades 1-6]
13. Wolfram Demonstrations Project - a free resource of interactive visualizations from elementary education to the frontiers of research