Here’s a neat interactive site you can use on your SMART Board or on the student machines to have students practice with base 10 blocks. Let me know what you think of it.

Harcourt Publishing has a great math resource called Think Math available to teachers and students. You will find great online math games, interactive demonstrations of math concepts, math jingles to sing along with, and more! The activities are categorized by grade level and concept. Be sure to check this one out!