Today's lesson began the second part of our unit on exponents covering scientific notation. In this first lesson, we introduce the concept of looking at the size of numbers by their integer power of 10--their magnitude. In subsequent lessons, we'll focus on single digits multiplied by powers of ten, and then finally introduce the convention of formal scientific notation.
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This is the study sheet I passed out last week, with the answer key on the backside of the page.
This lesson summarized the laws of exponents that we introduced thus far in the school year (students were expected to fill this out on their own after the first example), and introduced the concept of exponents simplified as a product of distinct primes.
We worked on this activity to help students better understand the concepts around negative exponents and begin to better understand exponential growth.
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May 2016
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