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Improving Number Sense with the Divisibility Rules

I decided to make divisibility my first lesson of the year for 7th grade next year for a couple of different reasons: it is a skill used in many different concepts throughout the year and it really helps promote overall number sense in students. The divisibility rules (hopefully) help students be less dependent on theirRead more about Improving Number Sense with the Divisibility Rules[…]

5 Ways to Use Factor Trees in Middle School Math

I think factor trees are one of the coolest “tools” for middle school students!  Students tend to like them and they have several different uses in middle school math. Here are the 5 ways I use factor trees with my students: 1.  Prime Factorization This is the most obvious use of factor trees and it’s typicallyRead more about 5 Ways to Use Factor Trees in Middle School Math[…]

Finding the GCF and LCM using the Cake Method

Today’s lesson in my 7th grade math class was on finding the greatest common factor and least common multiple of a pair of numbers. I started by gathering background information about what the students already knew about the GCF and LCM.  With a little bit of help the students were able to come up withRead more about Finding the GCF and LCM using the Cake Method[…]