100 New Esti-Mysteries

100 Esti Mysteries Featured Pic

This school year I’m creating and sharing 100 new Esti-Mysteries. You can download your copies by using blue download links below. I hope these bring joy and rich math talk to your classroom! The brand new Leaping Numbers Pattern Series is Ready! Click on the Leaping Numbers Image to learn more!   New This Week!…

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170 New Esti-Mysteries

new Esti Mystery Picture

This school year, I’ll be creating and posting 170 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.  The purpose is the same as last year:  Sharing math joy with you all year long! Prepare for math joy and rich…

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150 New Esti-Mysteries

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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

YT chapters

  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

12 most popular posts blog post image

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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51 Esti-Mysteries

Esti Mystery Feature Pic

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

EM Clue 2

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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100 Subitizing Slides & 10 Challenge Patterns

100 Subitizing Slides Blog Pic

With a click, a pattern of dots appears on your screen.  Instantly your students tell how many.  They don’t count the dots.  Instead they simply know the total at a glance. Subitizing – when a person looks at a small set of objects and instantly detects the total without counting.  It’s a powerful process and…

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Splat! for Google Slides – 40 Lessons

Splat for Google Slides Pic

For my educator friends who have access to Google Slides, but do not have access to PowerPoint, this post is for you.  Since Google Slides does not have the animation that makes the Splats become transparent, the Splat! reveal does not work in Slides.  Now – with these materials – it will.  I’ve rewritten the…

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