Andrew Stadel's Blog

In my last blog post, I shared my 3 favorite series of Estimation 180 tasks. The Basketball court tasks have video reveals and I love pausing the video reveal for 3 reasons:

1. It closes the Info Gap
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Back when I was creating the tasks for Estimation 180, my goal was for my students to develop their number sense one day at a time. Therefore, as random as some of the tasks might appear on the site, ...

4 MAJOR UPDATES from Summer 2025. Here's a recap, but more details are in the video below.

1. Estimation 180 is back up and running. It was down (boo to 503s). NOW it has many teacher resources I thin
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