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…

I needed a new review game that was SUPER LOW PREP, fun for the students (i.e. has a competitive aspect) and does not reward speed. I came up with this. I call it "Pick Your Points." All you need is a set of questions (e.g. a worksheet) and some items that you may already have in your classroom or home.

When teaching transformations, it can sometimes be confusing for students (and teachers) when there are multiple transformations on a function and students arrive at a different result based on the order in which they did the transformations. In this blog post, I'm going to show you how I teach graphing transfo…

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…

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…

If you've been teaching high school math for a while, then you are familiar with common algebra mistakes that students make. In this post, I will address some of these errors and give suggestions on how to fix them (a.k.a. "the treatment"). The errors mentioned in this post are mistakes that I have seen …

On a typical school day, the bell rings about 12 times. That means there are MANY INTERRUPTIONS during the day. It is challenging to get deep into any project (grading papers, writing a test, planning a lesson) when bells are ringing every hour, people are always coming and going, and I have to change locations becaus…

If you work at a school where you have autonomy about what to teach in Algebra 2, then you might be interested in the Algebra 2 pacing guide below.