Andrew Stadel
LightNews LightNews
astadel.bsky.social
Andrew Stadel
@astadel.bsky.social
81 followers 69 following 44 posts
• secondary math teacher
• made estimation180.com
All students deserve good adult humans in their lives... trying hard to be one.
More at andrewstadel.com
Posts Replies Media Videos
astadel.bsky.social
Part 2 of How I Do Problem Solving in 2025
#iteachmath #mtbos
Student solutions, scoring rubric, and feedback codes I give students.
www.andrewstadel.com/blog/problem...
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.
www.andrewstadel.com
November 4, 2025 at 5:39 AM
astadel.bsky.social
How I Do Problem Solving in 2025 • Part 1
#mtbos #iteachmath @catrionaagg.bsky.social
Part 1 in this series.
New Post www.andrewstadel.com/blog/problem...
Ho I Do Problem Solving in 2025 • Part 1
Andrew Stadel shares how frequently he give students problem solving tasks and a great source for you to consider using. Future posts include student solutions, rubrics, and growth from month to month...
www.andrewstadel.com
October 29, 2025 at 1:06 AM
astadel.bsky.social
The @makemathmoments.bsky.social 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?ac=Ec4bCg1h
Honored to be presenting Saturday, November 15
2025 Make Math Moments Virtual Summit
Free high impact MATH PD from your couch! Hosted by @makemathmoments #mmmsummit2025
summit.makemathmoments.com
October 18, 2025 at 5:10 PM
astadel.bsky.social
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: www.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.
www.andrewstadel.com
October 15, 2025 at 1:48 PM
astadel.bsky.social
The @makemathmoments.bsky.social 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?ac=Ec4bCg1hI...
Honored to be presenting on Saturday, November 15
October 14, 2025 at 12:32 AM
astadel.bsky.social
Thrilled to be part of the @makemathmoments.bsky.social Virtual Summit this year. Hope you can join thousands of educators sharing best practices with each other.
Register here summit.makemathmoments.com?ac=Ec4bCg1h
I'll be presenting on Saturday, November 15
October 11, 2025 at 8:39 PM
astadel.bsky.social
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
Learn more at estimation180.com/toolkit-grad...
October 10, 2025 at 2:18 PM
astadel.bsky.social
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-grad...
#mtbos #iteachmath
October 8, 2025 at 2:20 PM
astadel.bsky.social
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
September 27, 2025 at 9:29 PM
Reposted by Andrew Stadel
mikewiernicki.bsky.social
mikewiernicki
I'm presenting at CMC-South! Looking forward to learning alongside other math teachers and leaders and sharing the importance of curiosity and creativity in the math classroom! #CMCSouth #whatif #CAMathCouncil
September 26, 2025 at 12:24 AM
astadel.bsky.social
NEW blog post:
Estimation 180 SUCKS at Ratios.
Plus: Why I Love Achieve the Core and Illustrative Mathematics
www.andrewstadel.com/blog/bring-l...

Check it out. #mtbos #iteachmath #estimation180 @illustratemath.bsky.social
Bring Life to Ratios
In this blog post, Andrew Stadel shares a few downsides to Estimation 180, positive of Achieve the Core and Illustrative mathematics and how the Estimation 180 Toolkit can bring life to ratios for Gra...
www.andrewstadel.com
September 24, 2025 at 4:58 AM
astadel.bsky.social
Grade 3. It’s about to get cheesy in the Estimation 180 Toolkit with:
• multiplication
• division
• addition
• subtraction
#estimation180 #mtbos #iteachmath
September 20, 2025 at 10:51 PM
astadel.bsky.social
NEW Installment to the
Grade 6 Estimation 180 Toolkit
this Friday.
Packed with RATIOS goodies.
See what's inside here:
estimation180.com/toolkit-grad...

#mtbos #iteachmath #estimation180
September 15, 2025 at 11:16 PM
astadel.bsky.social
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?
September 11, 2025 at 2:45 AM
astadel.bsky.social
Never tell an answer.
Classroom mantra #1 my students learn on Day 1 thanks to @fawnnguyen.substack.com
#mtbos #iteachmath

Here’s how I start the school year.
www.andrewstadel.com/blog/start-t...
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.
www.andrewstadel.com
September 6, 2025 at 11:11 PM
astadel.bsky.social
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
August 25, 2025 at 4:09 AM
astadel.bsky.social
4 MAJOR Updates: my Summer 2025 Recap
New blog post: www.andrewstadel.com/blog/summer2...

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.
www.andrewstadel.com
August 20, 2025 at 11:17 PM
astadel.bsky.social
3rd grade teachers out there...
This task would tie in with your math standards, right?
3.MD.C.7 #mtbos #iteachmath #estimation180

Curious how likely 3rd grade teachers are to have square inch tiles in their classrooms.
August 19, 2025 at 12:25 AM
astadel.bsky.social
NEW Blog and YouTube post:
My DEFINITION of NUMBER SENSE
www.andrewstadel.com/blog/number-...

I hope you find it helpful. There's a FREE poster you can download too. #iteachmath #mtbos
A Concise Definition of Number Sense
In this blog post, Andrew Stadel provides his definition of Number Sense... inspired by math giants Steve Leinwand and Marilyn Burns, his classroom experience and 3 questions he often asks his student...
www.andrewstadel.com
August 5, 2025 at 2:06 PM
astadel.bsky.social
New Blog and YouTube post:
5 Math Giants who have Inspired Me.
• there's a 6th (most important) BONUS giant.
www.andrewstadel.com/blog/mathgia...

I hope they inspire you too and I'd love to hear who has inspired you. #iteachmath #mtbos
Math Giants I Recommend You Look Into
Thank you to Math Giants Brad Fulton, Marcy Cook, Steve Leinwand, Marilyn Burns, and Dan Meyer for your resources, inspiration, and work that has benefited so many teachers and students.
www.andrewstadel.com
July 29, 2025 at 3:26 PM
astadel.bsky.social
NEW blog post.
I'm forever grateful for Emmanuel who taught me a valuable lesson about number sense.
www.andrewstadel.com/blog/emmanuel
Plus, my 3 favorite number sense exercises to start the year.

Do you have a similar Emmanuel story?
#iteachmath #estimation180 #mtbos
Emmanuel Taught Me
A former students taught me about the importance of starting the year with number sense exercises.
www.andrewstadel.com
July 22, 2025 at 2:15 PM
astadel.bsky.social
This kicked my BUTT! 😂
Stupid Cheeseball container 😡

My AWFUL Attempt at estimating Day 209
www.youtube.com/watch?v=A_fY...

The 5th and final attempt comes out tomorrow. #Estimation180 #iteachmath #mtbos Cc @tracyzager.bsky.social
My AWFUL Attempt at Estimating Day 209 of Estimation 180 • Part 4 of 5
YouTube video by Andrew Stadel
www.youtube.com
July 17, 2025 at 1:36 PM
Reposted by Andrew Stadel
annieforest.bsky.social
How do you manage supplies in the classroom?
Here’s my best school supply organizing hacks!

annieforest.substack.com/p/classroom-...
Classroom Supply Hacks
Ideas to keep your new school supplies from disappearing!
annieforest.substack.com
July 15, 2025 at 12:27 PM
astadel.bsky.social
The 1st blog post on my new site:

I WISH I HAD BETTER NUMBER SENSE
andrewstadel.com/blog/better-...

Hope you have a good laugh. I did. #iteachmath #mtbos
I Wish I Had Better Number Sense... when I was 5 years old
Andrew shares a snapshot of his number sense skills at 5 years old. Hilarious. Developing number sense is a journey. Estimation 180 is a vehicle for developing number sense.
andrewstadel.com
July 14, 2025 at 3:20 PM
astadel.bsky.social
I'm having a blast revisiting Estimation 180 tasks.
My next attempt: Cheeseballs day 207. www.youtube.com/playlist?lis...

If you missed 206...it's there too. #estimation180 #iteachmath #mtbos
My Attempts at Estimation 180 tasks - YouTube
Andrew estimates tasks that he has not seen in years.
www.youtube.com
July 11, 2025 at 1:22 PM