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Content Area: Math

Creating A New Mathematical Operation

Do your students realize that addition, subtraction, multiplication, and division are all examples of the same idea: an operation? And that it’s quite possible to create a brand new operation? Let’s do it!

The Surprises Within a Triangle’s Angles

Discovering what is interesting and unexpected about a triangle’s angles. What twists have I unintentionally spoiled for my students over the years?

Make A *Better* Calendar!

The calendar is a source of fantastic factoring problems with many social studies add-ons. Why 12 months? Why 30 (or 31 or 28) days? Why are weeks 7 days long? Why don’t they fit into the months (or the year!)? Why did we do this to ourselves!?

Differentiate Math: Getting Started

Working with a student who is bored in math? Quickly finishing lessons? Needs something more? Here are three ways you can get started differentiating in math.

Depth and Complexity: Ethics… In Math!?

The Ethics prompt of depth and complexity fits so easily into the humanities… but what about ethics in math?!

What if you lived in Vegas but worked in San Francisco?

Is it possible to save money by commuting to San Francisco from Las Vegas?

Prime Number Explorations

Students learn about prime numbers early in their careers, but the true, quirky nature of these numbers isn’t really explored unless kids go on to become math majors. Here are three fun prime explorations suitable for even young students.

Encourage Curiosity With Calculators

It’s easy to fall in love with chasing the newest technology to use in the classroom. But sometimes, the perfect tool is a plain old calculator. We’ll be using this tool to develop curiosity about math.

Exploring Palindromes in ELA and Math

Palindromes are one of those fun ideas that some gifted kids just latch onto. We’ll check out palindromic words, phrases, and even numbers in this article.

A Millionaire By Doubling Pennies

How long will it take to get a million dollars if you start with a penny and double it?

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