To assign math homework or NOT to assign math homework? That is the question. There is little evidence that assigning math homework in grades K-8 improves student outcomes. But there is plenty of evidence that assigning too much math homework is detrimental to student achievement. Alfie Kohn, shares some data research showing fourth graders who […]

# Category: BlogPosts

Math is fun! But it is pretty common place for us teachers to reduce math to a collection of skills to learn, practice, and memorize…which is not terribly fun. Math For Love is a wonderful website that provides teachers with the resources for making math the joyous endeavor it is supposed to be. Games, rich […]

As we make the slow, but inexorable return to normalcy – whatever that may look like – we need to begin thinking about the details for returning to school. Within the teachers’ sphere of influence, the first two things to consider are What to Teach? And How to Teach It? Research shows that our students […]

Perhaps a few years ago (maybe 2018?) I first bumped into Mathigon. It was a beautifully designed website calling itself the “Textbook of the Future”. The books, games, and virtual manipulatives are so wonderfully created that they make math look joyful…which it is! Well…Mathigon continues to add to its website, making it one of the […]

Registration is now open for the CMC-Central Virtual Symposium! March 12, 2021 Keynote and Networking (5:30pm – 7:30pm) March 13, 2021 Symposium (9:00am – 3:30pm) Cost: $90 ($30 if you’ve already attended a CMC conference this year) Register here: https://cmc-math.org/cmccentral

This is the third part of a series of posts showing how to visually represent the four operations of whole numbers using the CHIP MODEL. The first part shows how to model addition and subtraction. The second part demonstrates multiplication with the chip model. There are two ways to think of division: partitive and quotitive. […]

This is the second part of a series of posts showing how to visually represent the four operations of whole numbers using the CHIP MODEL. The view the first part in which we show how to model addition and subtraction, go here. Just as the chip model is a particularly effective way in visually […]

About 32 years ago I had just completed my B.S. in Mathematics and was immediately hired to teach mathematics at Roosevelt Junior High School in Oakland, California. I thought I knew everything there was to know about K-12 math concepts. Most certainly, adding and subtracting whole numbers! However, I was almost immediately humbled by a […]

Here is a version of Hex that you can play remotely with Google Slides. DIRECTIONS/INSTRUCCIONES The game is played by two players. Each player chooses one color marker. Se juega con dos jugadores. Cada jugador escoge una pieza de un color. Begin with an empty board. On each turn, one player puts a single marker […]

A two-person game/Un juego de dos personas Materials/Materiales A game board/El tablero del juego 2 pieces of one color/2 piezas de un color 2 pieces of another color/2 piezas de otro color DIRECTIONS One player takes 2 pieces of one color. The other player takes 2 pieces of a different color. Un jugador toma 2 […]