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Andrew Stadel

Supporting math teachers with resources and strategies that make teaching math meaningful and enjoyable.

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Where Would You Like To Start?

ESTIMATION 180

FREE Math Lessons
that Build Number Sense.
START NOW

Grade 3:

ESTIMATION 180 Toolkit

Coming SOON!

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Grade 6: 

ESTIMATION 180 Toolkit

Coming SOON!

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Grade 4 & Grade 5 Toolkits

The Toolkits for Grade 4 and Grade 5 are not ready yet. Join the Waitlist!

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NICE TO MEET YOU

I'm Andrew Stadel

I fell into teaching math after music didn't work and I was often relearning math alongside my students. For over 20 years I've served math students and teachers in both middle and high school. I've also served as an instructional coach to secondary math teachers working alongside them in their classrooms with students.

I'm currently teaching secondary math at a project-based learning school using Standards Based Grading, and problem-solving to make math meaningful and enjoyable for my students. I'll share all of the strategies and resources I've acquired in my career to help you make teaching math meaningful and enjoyable too!

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"Every workshop is well-designed, thought-provoking, and fun!"

- Molly Daley

"I ❤️ Estimation 180 and so do my students! Thank you!!!!!!."

- Amy Perry

"Definitely best session of #CMCmath!!! "

- Kristy Andre, Ed.D.
ONLINE WORKSHOPS

Making Math More Meaningful

Strategies that make teaching and learning math meaningful and enjoyable.

How to Use Estimation 180

Learn how to use Estimation 180 tasks to develop student number sense.

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How to Use Standards Based Grading

Coming 2026.

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Teaching math is a marathon, not a sprint. I’ll guide you to the finish line with tools, strategies, and reasonable advice.

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