Rounding Freebie: I Spy Rounding with QR Codes. Your students will have a blast rounding numbers and scanning the QR codes. Simply print, cut out, and place the sunglasses around your classroom. Then give your students the recording sheet and a device that can scan QR codes so they can self-check their work.
If your kiddos like this activity, be sure to check out my pack of 8 more I Spy QR Codes Math Activities
More Place Value Activities
More QR Code Activities
QR Code Rounding Cubes