## The 3-Container Estimation Routine

The 3-Container Estimation Routine is a clear and simple routine that invites students to estimate and discuss their ideas.   This school year, I’ll be posting new sets of 3-Container Estimation Routines every Monday.   Watch this video to learn how to use the routine:       Note:  Use the blue download links below…

## 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.…

## Part 4 – New Esti-Mysteries and Number Sense Resources Every Day for the Rest of the School Year

To support fellow educators during this extremely challenging year, I’m posting a brand new, downloadable math resource every day through the end of the school year.  The purpose is to provide encouragement, to share a brand new classroom resource every day, and to promote joy in the math classroom.   In the midst of the…

## Part 3 – New Esti-Mysteries and Number Sense Resources Every Day for the Rest of the School Year

Hi, Friends.  I’m posting a brand new, free math resource every school day for the rest of the school year.  This is part 3 of the series.  This effort is my way of spreading encouragement, providing a daily resource to fellow educators, and promoting math joy during a challenging year.  I look forward to posting…

## Part 2 – New Esti-Mysteries and Number Sense Resources Every Day for the Rest of the School Year

I’m posting a brand new resource – every single school day – for the rest of the year.  They are all free, and you can download as many of them as you like right here from my blog.  This is for everyone.  Each day for the rest of the rest of the school year, there…

## New Esti-Mysteries and Number Sense Resources Every Day for the Rest of the School Year

Hi, friends.  I know this is really challenging and we are all exhausted.  This post is my way of providing support and encouragement – as well as bringing math joy to your classroom…   I’m going to stick with you all year long.   To do that, I am going to post a new math…

## 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…

## 20 Days of Number Sense & Rich Math Talk (K-12)

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…

## 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…

## 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…