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Andrew Stadel's Blog

Strategies, reflections, and tips related to teaching math.

Make Integers Visual estimation 180 grade 6 toolkits youtube Oct 14, 2025

Integers can be so abstract for students. Yes, number lines and algebra tiles are useful. I use them and will continue to use them. However, I often find myself asking my 8th and 9th grade students th...

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3 Reasons I Pause Video Reveals estimation 180 my classroom teaching tips toolkits youtube Sep 16, 2025

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
  2. ...
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My 3 Favorite Estimation 180 Tasks estimation 180 favorites number sense toolkits youtube Sep 08, 2025

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, ...

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Summer 2025 Recap: 4 MAJOR UPDATES estimation 180 number sense toolkits youtube Aug 19, 2025

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
  2. ...
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My Definition of Number Sense estimation 180 number sense Aug 05, 2025

Back in the mid-2010's when my position in math education expanded outside my own classroom as an instructional coach, presenter and trainer, I realized I didn't have a succinct and portable definitio...

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5 Math Giants Who Have Inspired Me books estimation 180 math educators number sense youtube Jul 28, 2025

Standing on the shoulders of MATH GIANTS...

I will be eternally grateful for many people in the math education sphere. I'm especially grateful for you because you are spending your precious time read...

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Emmanuel Taught Me A Valuable Lesson About Number Sense estimation 180 number sense youtube Jul 21, 2025

Back in 2013, a 7th grade student taught me a valuable lesson. I was hired to a new district and school a few days before the school year began. One of the many things I had on my long to-do list was ...

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I Wish I Had Better Number Sense estimation 180 number sense youtube Jul 14, 2025

When I was about 5 years old, my kindergarten teacher interviewed my classmates and me, asking us to describe the recipe for a meal our family made at home. She turned it into a recipe book to share w...

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