Spirograph Eye Candy – Desmos Graph

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I know I’ve blogged before (yes I did just use that as a verb) about Desmos, this great online calculator. But, the more I use it the more I am convinced that it is one of the greatest tools out there for both classroom demonstrations and outright mathematical investigations. I was testing last Friday and decided I wanted to create a Desmos graph that generated a cycloid (the path a fixed point on a circle… Read more »

TI Statistics Programs Updated for Common Core Algebra II

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O.k. So, I’ve updated the statistics programs for the TI-83/84 that are needed to do the simulations for Unit #13 (Statistics) in the new Common Core Algebra II. Here are the programs and a description of what they do. Click on the link to download one and then use TI-Connect (and a cable) to get them onto your calculator. If you are unsure how to do this, click on the link below: Instructions for TI-Connect… Read more »

Arlington Algebra Project – Whole Book

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So, recently I’ve had a few people email me because they’ve found that Arlington’s link to the Algebra Project is not operational anymore. On January 1st we officially switched from one web hosting service to another and all of our old websites went dead. I hadn’t even thought about this because when we use the AAP, we just access it from our Common Drive. Still, some schools continue to use this resource for pre-algebra classes… Read more »

Common Core Algebra II – The First Six Units

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So, I’ve been doing a super quick initial round of editing on Common Core Algebra II. I’ve compiled the first six units into unit pdf files. For those schools who are considering using our curriculum for the first year of implementation (in New York State at least), I submit these for review. Of course, the HUGE caveat is that the lessons will likely be filled with typographical, grammatical and mathematical errors. Most of those will… Read more »