Building number sense one day at a time. Follow the creator, @mr_stadel, and subscribe for updates at andrewstadel.com/newsletter
Joined January 2015
- Tweets 334
- Following 41
- Followers 9,125
- Likes 581
41 Photos and videos
22 Aug 2025
Estimation 180 is BACK with many updates.
Two good places to start:
1. The Teacher Resource Page
estimation180.com/teacher-re…
2. Blog Post about the updates
andrewstadel.com/blog/summer…
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30 Mar 2020
New #estimation180 activity
30 Mar 2020
Here is an #Estimation180 Scavenger Hunt activity for you, your family, and students.
Bonus: you can use it with #clotheslinemath too!
estimation180.com/cv19.html
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Estimation 180 retweeted
11 Mar 2020
New Estimation 180 Podcast episode:
A Definition for Number Sense
#estimation180
Listen here or your favorite podcast player:
estimation180.com/episode9.h…
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25 Sep 2019
New podcast episode came out today!
25 Sep 2019
NEW Episode of the #Estimation180 podcast for you all! #mtbos #iteachmath
Hacking A Question About Time to Empower Math Students
estimation180.com/episode6.h…
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11 Sep 2019
Did you hear that Season 2 of the #estimation180 podcast started today?
Tell a friend!
11 Sep 2019
I’m thrilled to share the beginning of Season 2 of the Estimation 180 Podcast.
estimation180.com/episode5.h…
Check out the first episode where I share my favorite question to gauge number sense.
#estimation180 #mtbos #iteachmath
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Estimation 180 retweeted
19 Jun 2019
I’m SO THRILLED about the Math Confessions Podcast
#mtbos #ITeachMath
I recorded two interviews this week and am really inspired by these two educators!
I know you will be inspired too!
Subscribe and don’t miss a beat!
mathconfessions.com
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Estimation 180 retweeted
13 Jun 2019
Math Confessions!
I’m starting a new podcast in the fall titled Math Confessions.
#mtbos #iteachmath
I believe it’s going to be a valuable experience for all math educators. Learn more at mathconfessions.com
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Estimation 180 retweeted
12 Jun 2019
Episode #4 of the #Estimation180 podcast is out today! #mtbos #iteachmath
An exclusive episode of Talking with My Math Minions: Even/Odd Numbers and Irregular Fractions
estimation180.com/episode4.h…
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12 Jun 2019
Episode #4 of the #Estimation180 podcast is out today! #mtbos #iteachmath
An exclusive episode of Talking with My Math Minions: Even/Odd Numbers and Irregular Fractions
estimation180.com/episode4.h…
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Estimation 180 retweeted
7 Jun 2019
This was a big week for #estimation180
One of those things was the Estimation 180 Starter Guide.
#mtbos #iteachmath
If you’d like to learn more, head to estimation180.com/team180
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5 Jun 2019
Episode 3 of the #Estimation180 Podcast is here.
“Range Can Be the Heart of Estimation”
I used to be scared of building range with students. Hear how I overcame that fear.
estimation180.com/episode3.h…
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Estimation 180 retweeted
24 May 2019
#Estimation180 teachers, fans, and users,
When do you typically have students do their range building?
In other words, when do they create their lower limit ("too low") and their upper limit ("too high") in relation to making their estimate?
#MTBoS #iteachmath
79%
Before making an estimate
15%
After making an estimate
6%
Never
416 votes • Final results
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Estimation 180 retweeted
23 May 2019
Which is the best buy? #mtbos #iteachmath #mathchat #unitchat #mathfight @estimation180 @gfletchy @robertkaplinsky @MrsNewell22 @Jstevens009
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23 May 2019
Thanks to @a_schindy @SunriseMathMan @normabgordon and so many others for the positive responses to Episode 1 of the #Estimation180 podcast.
#mtbos #iteachmath
Episode 2 is now available!
estimation180.com/episode2.h…
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22 May 2019
Estimation 180 Podcast
Episode # 2:
How Visuals can Help Students Develop Better Math Reasoning
#mtbos #iteachmath #estimation180
Hear about a mistake I made, the lessons learned, 2 practical tips, and math minions are back!
estimation180.com/episode2.h…
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20 May 2019
Episode #2 of the Estimation 180 podcast gets released on Wednesday, May 22.
#mtbos #iteachmath #estimation180
If you missed episode #1, head to estimation180.com/episode1.h…
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Estimation 180 retweeted
8 May 2019
I just listened to the first episode on my way in to school. So good! #MTBoS #ITeachMath
7 May 2019
TOMORROW!
The Estimation 180 podcast launches. Looking forward to you joining this number sense journey with me.
Get ready for teacher stories, interviews, tips, strategies and a few surprises! Hope you’ll check it out! #mtbos #iteachmath #estimation180
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8 May 2019
It’s HERE!
The Estimation 180 podcast with @mr_stadel
Episode # 1
Mirroring Questions and Curiosity Exchanges with Students
estimation180.com/episode1.h…
#mtbos #iteachmath #estimation180
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7 May 2019
TOMORROW!
The Estimation 180 podcast launches. Looking forward to you joining this number sense journey with me.
Get ready for teacher stories, interviews, tips, strategies and a few surprises! Hope you’ll check it out! #mtbos #iteachmath #estimation180
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6 May 2019
In two days, the Estimation 180 podcast launches.
Wednesday, May 8
I share one of the big mistakes I made, the lesson I learned and how it helped inspire estimation180.com
Plus, two strategies…
#mtbos #iteachmath #estimation180
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