This is a base ten (up to 50) Scavenger Hunt with QR codes. Simply post the cards around the room. Students use a QR reader on an iPad or iPod to scan the codes. Each code scans as ___tens ___ones and students find the corresponding card card with the number and base ten blocks. It includes 16 task cards.
**Be advised these are text QR codes so they scan small.
This is a great Write the Room Math activity or center.