Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Representing Numbers in Expanded Form I

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The interactive PLIX tool allows students to drag and drop base blocks (1, 10, 100) to find the total area of an irregular figure. The video shows an example of a...
Interactive
Thomas Jefferson National Accelerator Facility

Jefferson Lab: Place Value Game

For Students 1st - 5th Standards
This interactive math game lets you create the largest number possible as the computer gives you numbers.