Andrew Stadel@mr_stadel

• secondary math teacher • made estimation180.com All students deserve good adult humans in their lives...trying hard to be one. andrewstadel.com

 California
andrewstadel.com
Joined March 2012
2,063 Photos and videos
Estimation 180 is BACK! #estimation180 #iteachmath #mtbos My newsletter is migrating to andrewstadel.com so join me there.

Andrew Stadel

Math educator for over 20 years. Currently teaching middle and high school math through project based learning and standards based grading. Creator of estimation180.com

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Grade 3 #Estimation180 Toolkit is getting some massive additions this summer. One of those is FRACTIONS!!! +++ fun games. I dig it and think Students and Teachers will too!!!
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One of the greats! Thanks Al for all you’ve done for math ed! Enjoy retirement.
Alex Overwijk@AlexOverwijk
Jun 24
Checking out after 37 years of teaching math and coaching basketball. What a ride! Be well my twitter / X friends.
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Andrew Stadel retweeted
Alex Overwijk@AlexOverwijk
Jun 24
Checking out after 37 years of teaching math and coaching basketball. What a ride! Be well my twitter / X friends.
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Part 2 of How I Do Problem Solving in 2025 #iteachmath #mtbos Student solutions, scoring rubric, and feedback codes I give students. andrewstadel.com/blog/proble…

How I Do Problem Solving in 2025 • Part 2

Andrew Stadel shares student solutions to the first two problem solving tasks in part 1, his current rubric, and feedback codes. Next post will be the second month's tasks and student solutions.

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How I Do Problem Solving in 2025 • Part 1 #mtbos #iteachmath @Cshearer41 Part 1 in this series. New Post andrewstadel.com/blog/proble…

Ho I Do Problem Solving in 2025 • Part 1

Andrew Stadel shares how frequently he gives students problem solving tasks and a great resource for you to consider using. Future posts include student solutions, rubrics, and growth from month to...

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The @MakeMathMoments Virtual Summit is happening November 14-16 for thousands of educators sharing best practices with each other. #mtbos #iteachmath Join in the action for free. summit.makemathmoments.com/?… Honored to be presenting Saturday, November 15
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Make Integers Visual New video blog post on how I reimagine integers in an #estimation180 fashion to help students develop number sense. #mtbos #iteachmath Check it out here: andrewstadel.com/blog/visual…

Make Integers Visual

Reimagine teaching integers in a visual manner and less abstract. Grade 6 integers can be fun and visual through Estimation 180 tasks and fluency games.

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The @MakeMathMoments Virtual Summit is happening in November and I'm pumped to join thousands of educators sharing best practices with each other. You can register for free here summit.makemathmoments.com/?… Honored to be presenting on Saturday, November 15
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Thrilled to be part of the @MakeMathMoments Virtual Summit this year. Hope you can join thousands of educators sharing best practices with each other. Register here summit.makemathmoments.com/?… I'll be presenting on Saturday, November 15
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Estimation 180 Toolkit Grade 6 Installment #3 is LIVE! Make sense of INTEGERS through conceptual lessons and a fluency game that fit perfectly into your core curriculum. #mtbos #iteachmath #estimation180 Learn more at estimation180.com/toolkit-gr…
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Teachers! The newest Grade 6 Estimation 180 Toolkit is coming this Friday 🎉 It’s packed with lessons and a fluency game that help students see and understand integers. Learn more at estimation180.com/toolkit-gr… #mtbos #iteachmath
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About how many cheesy crackers does it take to learn multiplication in Grade 3? 😀 Next installment of the #Estimation180 Grade 3 Toolkit coming this week. #mtbos #iteachmath You can learn more at estimation180.com/toolkit
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Grade 3. It’s about to get cheesy in the Estimation 180 Toolkit with: • multiplication • division • addition • subtraction #estimation180 #mtbos #iteachmath
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NEW Installment to the Grade 6 Estimation 180 Toolkit this Friday. Packed with RATIOS goodies. See what's inside here: estimation180.com/toolkit-gr… #mtbos #iteachmath #estimation180
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About how many red/yellow counters are in each cup? #estimation180 #mtbos #iteachmath If I were to dump them out...how many red? how many yellow?
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Never tell an answer. Classroom mantra #1 my students learn on Day 1 thanks to @fawnpnguyen #mtbos #iteachmath Here’s how I start the school year. andrewstadel.com/blog/start-…

How I Start The School Year - Part 1

Andrew Stadel shares how he starts the school year. In Part 1, there are two classroom mantras, 5 activities, and an introduction to the Thinking Classroom. More in Part 2.

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Next installment of Estimation 180 Toolkit underway. Learn more at estimation180.com/toolkit
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Got a delivery today for the Estimation 180 Toolkit. Pumped to put this task together for Math 6. You can learn more about the toolkits at estimation180.com/toolkit
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EXCLUSIVE OFFER for teachers Grades 3-6. Estimation 180 Toolkits are coming soon. Learn More at estimation180.com/toolkit and JOIN the WAITLIST... Special offer for first 50 subscribers. #mtbos #iteachmath #estimation180
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4 MAJOR Updates: my Summer 2025 Recap New blog post: andrewstadel.com/blog/summer… I'm thrilled about what's in the works... Estimation 180 Toolkits. #iteachmath #mtbos #estimation180

2025 Summer Recap • 4 Major Updates

In this blog post, Andrew Stadel recaps everything he accomplished during the summer of 2025 and a few things to look forward to at Estimation 180 and andrewstadel.com.

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