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

EM 346

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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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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