This multipurpose app displays a random number from 0-20 using colored chips. [br][list][*]Press the [b]new number[/b] button to display a random new number.[/*][*]Use the [b]red[/b], [b]green[/b], [b]blue[/b], and [b]filling[/b] sliders to change the colors and filling of all circles (if you'd like).[/*][/list]You can use this app to have students immediately tell you what number is shown. [br]You can also have students determine what needs to be added to the shown number to make a total of 20.