Students need to know how to find the Greatest Common Factor in order to simplify fractions.
In this activity students will find the greatest common factor of the 2 numbers on any task card. Once they find the GCF they will search around the room for the other task card with the answer in the bottom right corner of the card.
They will then find the GCF of the 2 numbers on that card, and then search for the card with the answer.
Student's continue in this manner until they get back to the same card they started with.
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