Manipulatives


 * 1) Base 10 Blocks - virtual manipulative
 * 2) Integer Bars - learning fractions and more with on-line manipulatives
 * 3) Math Playground - a small but growing collection of manipulatives for teaching and learning
 * 4) National Library of Virtual Manipulatives - select topic and grade level to find appropriate manipulatives
 * 5) Pattern Blocks Program - use tools to solve a variety of problems
 * 6) Tangrams - interactive geometric site