Have you used Scratch to program your LEGO EV3 robot? It's an easy process that's laid out for your students in 4 simple 24x36 posters.

Poster #1 - Descriptors of blocks and categories in Scratch.

Poster #2 - Descriptors of the LEGO EV3 coding blocks in Scratch.

Poster #3 - Sample Programs - Straight Line move and make a square

Poster #4 - How to pair your EV3 robot with the Scratch Interface.