(From the outstanding Nrich, Countdown Fractions, one of their many Interactivities.)

• Interactive Whiteboard Resources 
• Many of the resources mentioned on this blog work very well on the interactive whiteboard, the Wisweb applets for example or the wonderful Desmos graphing calculator.

See ‘Searching for things‘ for more on using Evernote.

If you are searching for a particular kind of resource then do use the comments to let me know.