# 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 … Continue reading 100 Subitizing Slides & 10 Challenge Patterns

# 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 … Continue reading Cube Conversations

# 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 … Continue reading Can You Solve the Duplicator Lab Riddles?

# 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 … Continue reading The Nested Splat! Series

# 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 … Continue reading The Cube Carving Template

# 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 … Continue reading The Fraction Splat! Series

# 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 … Continue reading Splat!

# 3 Powerful Tile Strategies (and 40 new downloadable pages)

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 … Continue reading 3 Powerful Tile Strategies (and 40 new downloadable pages)

# 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. … Continue reading Primary Tile Questions