## The Incredible Growing Bricks

I put together this three-act activity two years ago, and decided to include it in the playlist for this year's Math 9 course. The students

## Boat Race, Revisited

A couple of years ago, I was impressed with Dan Meyer and Dave Major's creation of Boat Race, an activity that involved navigating around buoys with

## An Easy Transformation: Right Triangle Trigonometry

From Haese and Harris MYP 9: I was looking for problems to give my students as applications of the right angle trigonometry from our previous

## Ratios & Proportions - Day One Antics

Yesterday was our first day into a unit on similarity with the ninth grade students. The issue that comes up every year is that students

## Proofs in Geometry - The Modification Continues...

Two statements of interest to me: I get more consistent daily hits on my blog for teaching geometry proofs than anything else. Shiver. Dan Meyer's

## Algebra and Programming - A Peek Ahead

I'm starting a new unit reviewing algebraic skills tomorrow. My students have most certainly moved through evaluating algebraic expressions, solving linear equations, and combining like

## 2012-2013 Year In Review – Learning Standards

This is the second post reflecting on this past year and I what I did with my students. My first post is located here. I

## Assessing assessment over time - similar triangles & modeling

I've kept a question on my similar triangles unit exam over the past three years. While the spirit has generally been the same, I've tweaked

## Building a need for math - similar polygons & mobile devices

The focus of some of my out-of-classroom obsessions right now is on building the need for mathematical tools. I'm digging into the fact that many

## The post where I remind myself that written instructions for computer tasks stink.

It's not so much that I can't follow written instructions. I'm human and I miss steps occasionally, but with everything written down, it's easy to