Sara VanDerWerf

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Geekin’ out on 2017!

Happy 2017, my friends! Tomorrow I go back to teaching after a 2 week

Year 1 of my blog – My Top 10 posts.

I started this blog mid-November, 2015. As of today, 12/31/16, my blog

The Subaru Effect (in the math classroom & noticing my white privilege)

Earlier today I walked into my local coffee shop and was greeted by Jahlie,

Gifting a Mathmagic Trick

Hello friends! Every teacher should have one or 2 really good jokes,

PEMDAS (boo) & Bathroom Signs (yea)

14 years into my teaching career I transferred from a high school to a

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Visualizing Exponential, Power & Logarithmic Functions

Hello friends! It has been awhile since I last posted – over 2

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Guest Post #2: Challenging our Unconscious Biases from Barb Everhart

26 years ago I was in the Math Ed program at the University of Minnesota

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Week 1 Day 2 – Top 10 things not to ask me about your calculator.

On the 2nd day of school last year I sent out a tweet about the top 10

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Guest Post: Popsicle Sticks, Glitter & Math from Stephanie Woldum

JUNE 2018 UPDATE TO THIS POST IS FOUND AT THE BOTTOM – SCROLL DOWN. This

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How Grand is Your Total? A 25 year old Open Middle problem.

I am sure you are wondering what OPEN MIDDLE problems looked like 25 years

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Wall of Shame Part 2! 72 New downloadable images.

Last December, 2015 I posted 80 math fails that you could download to make

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Unit Pictures

In a recent post I talked about my love of unit problems from back in the

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Week 1 Day 1 – Name Tents with Feedback

UPDATE May 2020: In the era of Remote/Distance/eLearning, teachers

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Why I give my students a system of 6 equations to solve on Day 1 of school.

One bit of advice I give student teachers when they observe a classroom

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My personal math mentors.

A week ago Annie Perkins, a phenomenal 4th-year math teacher/leader in

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Tonight I got the human side of teaching right.

Here is what I know for sure. There is someone, most likely a teacher,