Factors and Codes (Episode 1)

Let’s use factors to encode and decode words.

How Many Will There Be? Triangles Within Triangles

A triangle splits and splits and splits again. How many will there be in step 20?

How Many Ways: Order of Operations 1

How many different ways can you make this math statement true using only the digits one through nine?

Exponents – How Low Can They Go?

Using exponent patterns, can students predict what the 0th power will be?

Place Value (Beyond Base 10)

Place value is something we cover in elementary school. It seems simple, but I’d wager that very few adults really understand the topic. I sure didn’t until I worked with non-base-10 number systems in college. Your students can get a taste of this mind-boggling experience by imagining what it would be like if we didn’t have the number 9. What would each digit represent then?

Doubling Dollars

Say you have a dollar. Say you can double that dollar each day: $1, $2, $4, and so on. How long will it take to reach… one million dollars? Not as long as you might think!