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…

Read More

New Estimation Clipboards

To date, I’ve created 101 estimation clipboards – and I’m going to create more to share this month.  They are very fun and easy to use – and your student will love them!  They are also a very exciting and powerful way to build number sense.  As I create more, I will post them here.…

Read More

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…

Read More

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…

Read More

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…

Read More

100 Subitizing Slides & 10 Challenge Patterns

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…

Read More

Cube Conversations

    Cube Conversations is a set of 80 (eighty!) animated lessons designed to promote visually rich math discourse.  I’ve designed these lessons to invite many voices and vantage points into classroom conversations. Much like Splat!, you control the animation with a few simple clicks  – and each click presents an opportunity for students to…

Read More

Can You Solve the Duplicator Lab Riddles?

“You have unwittingly stumbled into a duplicator lab…” As you watch this brief, animated story about the duplicator lab – which includes 3 riddles – you may find yourself reaching for  a piece of paper, a pencil, and an entirely new kind of strategy. How challenging will it be to solve the riddles from inside…

Read More

The Nested Splat! Series

Here are 35 brand new Splat! lessons ready to download and use in your classroom. This time the Splats! are nested within each other. If you enjoyed 50 lessons in The Original Splat Series and the 20 lessons in The Fraction Splat Series, you are about to discover a new variation with a fascinating  twist!…

Read More