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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20 Days of Number Sense & Rich Math Talk – for all grades from K-12. That is the goal of this series. Entirely new, exclusive content fills this post in a ready-to-use format that will allow you to deeply explore 4 rich math routines. By downloading each day, you can have a clear pathway to…

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Fraction Splats! have arrived!   The original Splat! post rocketed up to over 35,000 hits  in less than a month, which included over 19,000 lesson downloads!  All 50 lessons in the Splat! post involved whole numbers.  In this post, I’ve turned my attention to fractions, and have created 20 new lessons for you to download!…

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Welcome to Splat!  You are only moments away from a VERY POWERFUL, highly interactive number sense strategy that can be used at any grade level! This post includes 50 (fifty!) free, downloadable PowerPoint math lessons! Watch the video, download some (or all) of the lessons, and experience what happens when you unleash this resource in…

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Number sense is on display in Primary Tile Questions as students seek a wide variety of ways to add numbers and display their thinking.  You may find the connection between area and the value of the shapes to be intriguing.  You’ll also find 3 PowerPoint lessons which you can download along with 3 PDFs which…

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KenKen puzzles caught my attention recently while I was browsing through Marilyn Burns’ blog post.  Right away I was able to detect the power of these clever puzzles and their potential for developing number sense.  I was pleasantly surprised to find an entire site devoted to KenKen puzzles.  So, I set out to take a tour……

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