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Today I learned how to use paper folding to create an ellipse. Years ago, I had my students use paper folding to create wax paper parabolas. Oklahoma ended up changing their Algebra 2 standards, so I haven’t thought much about the activity in quite a while. Now that I’m teaching Pre-Calculus, I will have to …

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I created this Parts of a Radical Poster several years ago when I was teaching Algebra 1. I wanted to create a visual reminder for my students of the different vocabulary words that describe the different parts of a radical. I wanted to highlight the words coefficient, index, radical symbol, and radicand. I designed this …

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I’m back today with a fun, new puzzle called The Splice is Right Puzzle. This puzzle is from the book Test Your Math IQ by Steve Ryan. I was able to borrow the book for free from the Internet Archive’s online lending library. I highly recommend this site for checking out various books before you …

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I created this naming polynomials poster several years ago as a way to both remind my students of the rules for naming polynomials and to decorate my room with my favorite thing – math! Now that I’m reorganizing things on my blog since changing to my own domain name, I have realized that I have …

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I gave this “Polly”nomial task to my Algebra 2 students. The results did not disappoint. And, it made grading a somewhat boring assignment much more interesting! A couple of months ago, my Algebra 2 students were working on polynomials. There was ~10 minutes left at the end of class, and they were in dire need …

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Yesterday, after spending a bit of time laminating and cutting out the cards for the trig open middle task I posted about yesterday, As I was looking through the Open Middle tasks for complex numbers, I got the idea of creating a task involving the powers of i (imaginary numbers). I was shocked at first …

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I created this set of 12 basic functions posters to accompany the 12 Basic Functions Challenge Activity for my Pre-Calculus Classes. I decided the posters deserve a page of their own so they can be more easily found and downloaded. Each one of these posters represented one of the 12 basic functions identified in our …

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