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I've been teaching high school math for over 20 years. I write about my experiences here and also share activities that I have done with my classes that have been successful (and some that have been not so successful).
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June 04, 2023

How to Teach Factoring Trinomials

Factoring quadratic trinomials in the form $ax^2+bx+c$ is an essential skill in algebra. In this blog post, I will explore and compare a few popular methods for factoring quadratic trinomials. The methods I will consider are: Guess and Check Slide and Divide Splitting the b (a.k.a. "Grouping") Area Model …
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May 14, 2023

Summer Math Summit 2023 FREE Math Teacher Conference

I'll be presenting at a virtual math teaching conference this summer! June 23 to 25, 2023 https://bit.ly/summermath2023 And the best part? It's completely FREE! With your free ticket, you'll get access to amazing sessions by 20+ math teachers and loads of freebies. But if you want to snag a VIP ticket for …
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March 01, 2023

Proof of the Sum and Difference Trig Identities

Here's a way to generate the sum and difference identities for sine and cosine! Fun fact: I sped up the video so my voice sounds higher than it is in real life. 😀 You may be interested in my Sum and Difference Identities Circuit . Disclosure: Some of the links below are affiliate links. This means that, at zero…
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August 08, 2022

How to Teach the Unit Circle

Check out this video for instructions on the best way to teach the Unit Circle. Each student needs: a flimsy paper plate and two different colored pencils or pens! Visit  https://bit.ly/unitcirclefreebie to get ✔ 2 FREE fully editable PowerPoint lessons to use for teaching the Unit Circle ✔ a blank Unit Circle for…
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July 26, 2022

DeltaMath versus Edia: Two Websites for Practicing Math

If you have been in the secondary math education field for a while, you may have heard of websites such as DeltaMath, Khan Academy, IXL, and Edia…. These websites are different yet similar: they are designed for teachers to create online practice for students who receive instant feedback.   Compare and contras…
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