Category Archives: Who Knows?

Where’s Poly? An Exploration in Geo-Dotting

What’s geo-dotting?  I have no clue but that’s what I’m calling this lesson. We started by asking, “What do you notice?” Our favorites: Looks like Pac-man I see dots and they make a “Y” Looks like someone went crazy with … Continue reading

Posted in Geometry, Making Math Accessible, Who Knows? | 13 Comments

Beginning a Unit with a 3-Act Task

I’ve recently spent a lot of time visiting 3rd grade classrooms as they begin to dive into division. Here’s what I encountered on one of my first visits which was a crippler for everyone involved. Saw this today & was crushed. For … Continue reading

Posted in Cheese Mover, Intellectual Need, Making Math Accessible, Teacher Content, Who Knows? | 5 Comments

#TMC15 Freehand Circle Drawing Championship

I only took one video last week while I attended Twitter Math Camp (#TMC15).  Before you read on…draw your best circle and continue. In case you didn’t know, Alex Overwijk is the freehand circle drawing champion of the world.  I attended Alex’s session on … Continue reading

Posted in Who Knows? | 1 Comment

Welcome Back 2001: An Open Response to Superintendent Woods’ “Funny Math Methods”

I use this space to reflect on the good, the bad, and the ugly.  Unfortunately with all the great things happening in Georgia (mathematically speaking), we’ve taken a massive step backwards. A recent column by our State Superintendent pretty much sums up the … Continue reading

Posted in Who Knows? | 9 Comments

The Manipulative Whisperers: The model tells a story

If you listen carefully you will hear them. They sit motionless in every classroom, on top of desks, waiting to tell a story. Without the story they are nothing.  What’s most difficult is that you can’t speak for them because the … Continue reading

Posted in Making Math Accessible, Math Tools, Modeling, Patient Problem Solving, SMPs, Strategy Development, Teaching in a Context, Who Knows?, Word Problems | Tagged , , , , , | 7 Comments

Math is a Social Sport: Becoming a “Wise Consumer”

I’m continuously reminding myself that I need to be a “wise consumer” of math resources. Whenever I’m asked to review a resource, I reach for the Standards of Mathematical Practices.  The SMPs are like Kryptonite and will break down even … Continue reading

Posted in Cheese Mover, Math Tools, SMPs, Technology, Who Knows? | 4 Comments

Difficult Tasks Allow Misconceptions to Shine

Last week I was reminded why I love being a teacher. I’m currently throwing down a PL gauntlet in my district for all our elementary and middle school teachers. For each grade level I’ve focused on 1 or 2 of the big … Continue reading

Posted in Fractions, Making Math Accessible, Math Tools, Strategy Development, Teacher Content, Who Knows? | 2 Comments

Teaching Keywords? Forget About it!

I received an email from a principal in my district last Tuesday: Please send me info on why teachers should be careful about teaching kids to pull out keywords from word problems as a key way to define what operation to … Continue reading

Posted in Cheese Mover, Intellectual Need, Making Math Accessible, Modeling, Planning, SMPs, Strategy Development, Teacher Content, Who Knows?, Word Problems | 9 Comments

A Call to Fluency: Speak Up and Be Heard

Here’s a letter I sent to over 100 of my closest friends.  I just wanted to make sure I included YOU…because I know you care! Good Morning Dear Friends and Math Leaders, As many of you are aware the Revised Mathematics … Continue reading

Posted in Who Knows? | 7 Comments

Lipstick, Pit Bulls, and Common Core

I’ll start by saying I’m not against textbooks.  I support what’s best for kids. I had the opportunity to speak at GACIS today and I shared a major concern of mine with a group of decision makers across Georgia.  Recently, … Continue reading

Posted in Who Knows? | 2 Comments