If you love QR codes, then you'll love this freebie!
Included are two sets of labels to adhere to checker boards for practicing 1) the greatest common factor and the least common multiple) and 2) mental math using all four operations.
CHECK OUT MY 4TH GRADE MATH QR CODE MATH TASK CARD MEGA BUNDLE
containing as of now 868 QR code math task cards.
Looking for QR code math worksheets?
Check out my 4th Grade All Year Long QR Code Printables
QR Codes Tutorial Video
If you enjoy this freebie, be sure to check out all of my QR code resources
. I have plenty for math! Freebies, too!
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FlapJack Educational Resources