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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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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 …

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 …

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…

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…

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…