Students like to order off of menus when they are in math class. That means that they like to learn a variety of approaches and then choose the method that works best for them. This post shows teachers how they can teach the same skill in a variety of ways and thereby give students more […]

# Archive | Subtraction

# Abbreviating the Order of Operations

The PEMDAS abbreviation for the order of operations misleads students into thinking they should always multiply before dividing, and always add before subtracting.

# Addition and Subtraction: More Bad Behavior by Dear Aunt Sally

Aunt Sally also confuses students about addition and subtraction. Read this post to find out how to overcome the confusion.

# NOVEMBER PROBLEM OF THE MONTH

November 2008 Problem of the Month: finding an alternative way to represent a number using nothing more than a few candles. Use number theory and flexible thinking to find a way to show the number. There’s a prize for the person who answers most quickly.