Resources

Esti-Mysteries: Estimation Meets Math Mysteries

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…

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

Splat! for Google Slides – 40 Lessons

For my educator friends who have access to Google Slides, but do not have access to PowerPoint, this post is for you.  Since Google Slides does not have the animation that makes the Splats become transparent, the Splat! reveal does not work in Slides.  Now – with these materials – it will.  I’ve rewritten the…

Read More

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…

Read More