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Chipmunk Error Analysis
1March 6, 2014 by ray_emily
Getting kids doing error analysis in math class has been hugely beneficial, this year. I am beyond-words thrilled that I’ve …
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Fraction Error Analysis (aka “Help Jane, Peter, and Sam!”)
3November 20, 2013 by ray_emily
It’s been a minute since I’ve come up with something I really felt compelled to share here, so… guess this …
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I’m Still Alive! (Random, Disorganized Updates)
2September 4, 2013 by ray_emily
I know, I’ve completely disappeared. You probably stopped following me, thinking this blog died a sad and tragic death. (Or, …
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“Integer-nary” Meets Zoltan Paul Dienes
6October 14, 2012 by ray_emily
Although it’s been a good long while since I’ve written, I’ve been doing lots of thinking. Today, I want to …
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Silliness: The Expo Graveyard
10September 18, 2012 by ray_emily
This year, we’ve used either large or small whiteboards in my classroom just about every single day. I feel great …
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More Improvements to My Least Favorite Unit (Decimal Division)
3September 17, 2012 by ray_emily
Previously, I wrote about my least favorite unit, as well as my first attempt to improve it. While working with …
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Error Analysis, Decimal Operations, and Being Less Lame
11September 10, 2012 by ray_emily
Yesterday’s call for help was met with one suggestion in the comments, and one suggestion via twitter. Both are lovely …
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A Call for Help: My Least Favorite Unit
8September 9, 2012 by ray_emily
My email from the Math Blogging Initiation Team this week exclaimed, “It’s week four. Write a post on whatever you …
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Moar River-Crossing and Whiteboarding!!!
9September 4, 2012 by ray_emily
Last week, while reading Mark Driscoll’s Fostering Algebraic Thinking, I nearly shrieked “eureka!” upon turning to page 11 and discovering …
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An Ode to Prime Factorization (…and Whiteboards, and Error Analysis)
4August 27, 2012 by ray_emily
First off, a confession: I do not have much of a mathematics background (at all – I was a music …
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Writing to Learn to Teach 