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Gcf

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Finding GCF and LCM with the Upside-down Cake Method - When I first came across the ladder method (ie: the upside-down cake method) for finding greatest common factors and lowest common multiples, I thought it was nothing short of complete genius. In this post, the cake method for finding GCF and LCM is explained. There are also free pdf math word wall references to download for your math classroom.

Finding GCF and LCM with the Upside-down Cake Method - When I first came across the ladder method (ie: the upside-down cake method) for finding greatest common factors and lowest common multiples, I thought it was nothing short of complete genius. In this post, the cake method for finding GCF and LCM is explained. There are also free pdf math word wall references to download for your math classroom.

Five for Friday:  GCF/LCM, Freebie, a Giveaway and MORE!

It's Five for Friday on a Saturday!! :) Time to link up with Kacey from Doodle Bugs Teaching. :) This week we finally got to teaching GCF/LCM within word problems. The students theoretically learned GCF/LCM in 4th grade, but applying it to word problems was a challenge. We started off by reviewing LCM/GCF. I shared with the students how I DISLIKE factor rainbows. In my opinion they are not as easy to use as a table, so that is why I taught them to make a table if the numbers are smaller…

Amy Smith
Amy Smith saved to Ed
how to find the GCF of two or more numbers by listing out the factors, by using the factor tree, by repetitive division, Factors And Multiples - greatest common factor (GCF) and least common multiple (LCM), in video lessons with examples and step-by-step solutions.

how to find the GCF of two or more numbers by listing out the factors, by using the factor tree, by repetitive division, Factors And Multiples - greatest common factor (GCF) and least common multiple (LCM), in video lessons with examples and step-by-step solutions.