math

Best of 2018 - PhET PowerPoint Add-in

This week is a vacation week for the vast majority of readers of this blog. As I do at this time every year, I'm going to republish some of the most popular posts of 2018. Here's one from April.

Best of 2018 - Free Hands-on STEM Lesson Plans

This week is a vacation week for the vast majority of readers of this blog. As I do at this time every year, I'm going tThis week is a vacation week for the vast majority of readers of this blog. As I do at this time every year, I'm going to republish some of the most popular post of 2018. Here's one from February.

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