THIRTY cards with QR codes to help find the prime factors of a number or figure out the number from the prime factors. 3 sets of 10 with for every learner. QR codes provide the ability to work independently. There is also an answer key and recording sheet for working without QR scanners.
This would be a great center or partner activity. I have used it with the DOTS game board that is free in my store.
They are on 4x6 size pages for printing on index cards.
For a quick activity, visit Prime and Composite Numbers
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