# Blog

Read on to discover lessons, articles, videos, and more. We update the blog regularly to provide you with valuable and timely resources, so visit us often!

## How Well Do You Know Pi? Take Our Pi Day Quiz!

by Lisa Rogers, Director of Professional Learning
March 13th, 2020

It’s time to celebrate our favorite mathematical constant, Pi (shh…don’t tell Tau). Why do we love it? Pi is beautiful, irrational, and difficult to calculate. Supercomputers have approximated it to the ten trillionth digit, and we still do not have a definitive end to Pi. Celebrate Pi Day, 3/14, this year in your classroom by…

## Why We Celebrate Pi Day

by Treve Brinkman, Director of Professional Learning
March 11th, 2020

Also known as March 14th, Pi Day is when mathematicians and math lovers around the world celebrate pi, often approximated to 3.14, which is the ratio of a circle’s circumference to its diameter. The circle is often the first shape many learn in childhood, and can be observed in nature in pinecones, apples, oranges, the cornea…

## Measuring Circles

by Fred Rectanus, Professional Learning Consultant
March 08th, 2020

Each year our middle school celebrates the circle and its mathematical relationships on “Pi Day,” March 14, using the date of 3/14 to honor the 3.14 approximation of pi. A local bakery donates pies and, in every math class, students measure round things and consume their pieces of pie. Amidst the Pi Day activities, students…

## 3 Ways to Implement Talking in Math Class

by Le’Vada Gray, Director of Professional Learning
February 26th, 2020

When I began teaching almost 20 years ago, one of the veteran teachers made a quick visit to the classroom that we shared to pick up materials. She was very impressed with my students’ behavior and remarked, “Wow, they are so quiet!” The veteran teacher’s comment was kind of funny to me because my students…

## Welcome to Math Class

by Patty Clark, Senior Director of Content Development
February 19th, 2020

When I began teaching, I was all about welcoming my students to my class, but not necessarily math class. I was, after all, that student who was a superstar in elementary school and then hit a wall when it became obvious that I needed much more than memorized math facts and procedures to be successful,…

## Subitizing: Can You See How Many?

by Lisa Rogers, Director of Professional Learning
February 13th, 2020

Subitizing! This ability to instantly “see” how many is a critical component in young students developing number sense.

## Exploring Fractions: Using Knowledge of 1/2 to find 1/6s

by Lisa Bush, Senior Director, Professional Development
February 05th, 2020

In this clip from Beyond Pizzas & Pies, students describe how they found the rods that are 1/6 of the unit interval. What important fraction concept does Marcela’s reasoning support?

## Fractions February: Exploring Problems Through Measurement

by Julie McNamara, Math Solutions Author
February 01st, 2020

My eight-year-old neighbor Zoe spent the day with me recently so we decided to do a little baking. The recipe we were using called for ½ cup of sugar and three cups of flour. After using the ½ cup measuring cup to add sugar to the batter, I suggested we use the same measuring cup…

## Actionable Feedback as a Means of Promoting a Growth Mindset

by Dr. Sue Chapman, Professional Learning Specialist
January 24th, 2020

We know it’s important to encourage our students to adopt a growth mindset towards their mathematical abilities. But when we draw a smiley face on a student’s paper or say “good job,” are we building a growth or a fixed mindset? These types of feedback are meant to encourage but they fail to give students…

## Encouraging Math Talk in the Preschool and Kindergarten Classroom

by Treve Brinkman, Director of Professional Learning
January 17th, 2020

Why is it that engaging preschool and kindergarten students in talking about their mathematical ideas is considered such an important key to fostering the development of early math skills? What is gained by devoting valuable time and effort into classroom discussions about math, and how can teachers set the stage for lively and meaningful math…