Twenty individual task cards to be put around the classroom, in the hallways, or in a math center. Task cards deal with place value, word form, expanded form, standard form, value of a number, and greater/less than. Each card comes with a QR code that students scan to check their own answers.
Check out Identifying Variables QR Code Scavenger Hunt!
Check out Number Sense to the Thousandths QR Code Scavenger Hunt!