Quick dice roll webapp
This site offers an easy-to-use dice throwing interface for classroom use. (Pick one die or many.) Works great on iPads or iPhones. Use the dice for choosing groups, making a selection on a game card or as a way of randomizing conversation starters, etc. (Some more ideas here.)
For fun, look at these "image dice" sets you can print and make:
And here's an iOS app ("Make Dice") that uses either text or pics - hook up to your projector - have fun! ($3.49)
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