Cleaning the Floor Using a Robot: Intro to Random Numbers

To share with the entire class:

• LEGO MINDSTORMS EV3 robot, such as EV3 Core Set at https://education.lego.com/en-us/products/lego-mindstorms-education-ev3-core-set/5003400#lego-mindstorms-education-ev3
• LEGO MINDSTORMS Education EV3 Software 1.2.1, free online, you have to register a LEGO account first; at https://www.lego.com/en-us/mindstorms/downloads/download-software
• computer, loaded with EV3 1.2.1 software
• an assortment of large items that can be used as "obstacles" for the EV3 robot, such as boxes, poster board and moveable furniture, as well as classroom walls
• capability to show the class two short video clips from the Internet

Each student needs:

• Random Numbers Pre-Quiz (PDF)
• Random Numbers Worksheet (PDF)
• Random Numbers Post-Quiz (PDF)

Note: This activity can also be conducted with the older (and no longer sold) LEGO MINDSTORMS NXT set instead of EV3; see below for those supplies:

• LEGO MINDSTORMS NXT robot, such as the NXT Base Set 
• LEGO MINDSTORMS Education NXT Software 2.1
• computer, loaded with NXT 2.1 software