Looking for a hands-on Pi Day challenge for your 5th,6th,7th, or 8th-grade math class? This low-prep investigation involves measuring various circular objects to find pi. With its comic-style visual instructions, everyone from your struggling to proficient readers will understand how to use hula hoops to find Pi. This is a great addition to your Pi Day activities library! This download is just the hands-on activity and lab sheet. UPGRADE to the COMPLETE LESSON PLAN and get more! The lesson plan