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Credits: Thank you to the following artists for their fabulous graphics and fonts: http://www.teacherspayteachers.com/Store/Kimberly-Geswein-Fonts http://www.teacherspayteachers.com/Store/Krista-Wallden If you like what you see, please follow me!!! ☺ mixingitupinmiddle.blogspot.com Teachers Pay Teachers: Mixing it up in Middle Facebook.com/mixingitupinmiddle Instagram: @immixingitupinmiddle Like my product/teaching style & you’re looking for something specific: e-mail me at [email protected] for requests. Thank you for your purchase!! Directions Print and copy two sided, but you have to put the other page of the foldable OPPOSITE direction of the top so it copies correctly. ☺ I have included a key for you to use to complete the foldable. You can add anything differently if you would like to. I included a picture of the key so you could see the way that I have used it. If you have any questions, please contact me: [email protected] I hope that you enjoy this foldable as part of your math lesson on GCF/LCM. © Mixing it up in Middle 2015 Practice Examples: 1.What is the GCF of 20 and 36? LCM? 2. Sarah is making treat bags for her birthday party. She has 12 pencils, 8 erasers, and 6 notepads. How many treat bags can she make if she wants to use all of the items with none left over, and an equal amount of each item in the bags? © Mixing it up in Middle 2015 3. Mary walks her dog every 2 days. Callie walks her dog every 3 days. In 30 days how many times will they have walked their dogs on the same day? Finding the GCF Using Prime Factorization Find the GCF of 36 and 24: Finding the LCM Using Prime Factorization Find the LCM of 12 and 32 Step 1: Follow steps 1 and 2 Step 1: Break each number into its ________ ____________ that you used to find the _________. Step 2: Cross out each Step 2: Write down and cross ___________ number that our any ____________________ both numbers have in __________ numbers. ______________, and _______________________ once. Step 3: ______________ the Step 3: _______________ the numbers together to get the numbers together to get the LCM. GCF. The GCF of 36 & 24 is: The LCM of 12 and 32 is: is © Mixing it up in Middle 2015 Using GCF and LCM to help you solve Real World Problems: GCF is helpful in scenarios where… LCM is helpful for scenarios where… Examples where the numbers are SMALLER, SMALLER you can just find the factors using: © Mixing it up in Middle 2015 © Mixing it up in Middle 2015