## The Estimation Clipboard

The Estimation Clipboard is a set of 40 lessons that each include 4 highly similar images.  Each image provides an invitation to estimate.  Then as new images are introduced, the students’ context and intrigue will grow – and so will their excitement. Jennifer Barker recently wrote about her experience with The Estimation Clipboard in her…

## 80 Printable Cube Conversations Pages and 4 Instructional Strategies

Several weeks ago, I posted Cube Conversations, which is a set of 80 animated lessons designed to promote visually rich math discourse.  You can learn more about – and download – all 80 of the Cube Conversations lessons here. Today, I’m adding a new – and very important – element to the series, which is…

## 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…

## 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…

## 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!…

## The Cube Carving Template

The Cube Carving Template allows you to create very interesting 3-dimensional images in 10 seconds or less.  This post includes the downloadable template and explains how to use it.  I also recommend viewing Color the Cube Connectors to learn about some very interesting ways to use the shapes you create.     You can download…

## The Fraction Splat! Series

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!…

## Splat!

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…

3 Powerful Tile Strategies will equip you to provide number sense opportunities to your students that involve composing and decomposing either whole numbers or fractions.  This is a very flexible resource that can be used in any grade, K-12. This post follows up the wildly popular Tiled Area Questions and Primary Tile Questions posts with even…

## Primary Tile Questions

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…