On Wednesday, I had a double period with one 6th grade class and I got lazy.  I decided to let them work in their Eureka

Here are some Desmos activities that focus on Ratios, Proportions, Rates and Percent and my comments and reviews. DESMOS Activities Ratios Paint Students use up

Welcome Back to our exploration on the areas of Unit Polygons.   So far, we have discovered the areas and perimeters of regular polygons with

Here’s a strange one. I was flying from Dallas to Indianapolis on a Boeing 737. After the beverage service, I decided to go visit the

One of the most important parts of my role as a math education consultant and trainer is to always improve my knowledge and skills for

Abstract: In this series of posts, we will explore areas of polygons with a radius of one. We will begin by showing that the areas

My vision is to reach out to as many teachers as possible in my career to bring them the best practices of math teaching. With

The Riley Math Model version 1.0 was launched yesterday May 7, 2022. The Riley Math Model shows my model for an effective math program from

The notation with two vertical bars to indicate Absolute Value was first introduced by Karl Weierstrass in 1841. I absolutely love that.

White Board modeling is simply a classroom practice where students use poster-size white boards to do activities in groups and then present the white boards