This program allows you to add Thousands, hundreds, tens and ones to the work area, and move them around any way you like. It keeps a running total of the number of units in the area.
If you place 12 ones on the work area and hit regroup it will replace it with a ten and two ones.
This is an adobe flash file and requires a plug in. It will run on any web browser and can be added to your class web page.
Works well on smart boards.
Same Base 10 block fun with ZERO CLEAN UP!!!