The 3-Container Estimation Routine

The 3-Container Estimation Routine is a clear and simple routine that invites students to estimate and discuss their ideas.   This school year, I’ll be posting new sets of 3-Container Estimation Routines every Monday.   Watch this video to learn how to use the routine:       Note:  Use the blue download links below…

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150 New Esti-Mysteries

This school year, I’m creating 150 brand new Esti-Mysteries.  I’ll be posting a new one nearly every day for the rest of the school year – just like last year.  This is my way of sharing math joy with you all year long!  Prepare for math joy and rich math talk in your classroom as…

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The Multiplication Course by Steve Wyborney

  The Multiplication Course by Steve Wyborney is finished and completely ready!  It is a highly interactive multiplication course – on YouTube – with 156 short videos.  They are completely ready for all students, all teachers, all parents, everyone!   The course teaches students deep, rich, and important multiplication concepts while they are also learning…

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The 12 Most Popular Math Strategies and Downloads

Over the past 5 years, this blog has seen nearly 3.1 million views.  The most popular strategies from the blog all have one thing in common:  They include downloadable resources and strategies which can be immediately used in the classroom.  They are also free!  I’m sometimes asked these two questions: “Which are the most popular…

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FREE e-Book: Top 20 Teaching Tips for 2020

At the beginning of every calendar year, I write something new for the education community. In 2017, I wrote Splat!  (It took me until nearly the middle of February to finish it that year!) In 2018, I wrote Cube Conversations (I actually managed to finish that series a few days early, just before January.) In…

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51 Esti-Mysteries

51 Brand New Esti-Mysteries!  4 Challenge Levels!  All New Images! If you’ve used the Esti-Mysteries from the original Esti-Mysteries blog post, or the 15 additional Esti-Mysteries that I wrote for 20 Days of Number Sense and Rich Math Talk, you’ll really enjoy this new set!   My goal was to write and post 51 brand new…

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Esti-Mysteries: Estimation Meets Math Mysteries

Introducing Esti-Mysteries!  Each image invites students to wonder what number is represented by the image.  As you click through the each Esti-Mystery, clues will appear that will allow the students to use math concepts to narrow the set of possibilities to a small set of numbers.  In the end, the students will need to call…

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