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Playlist: Math Lessons

Polar Weather Report

Polar Weather Report

The North Pole hits -40°. The South Pole hits -60°. Calculate the averages, graph the data, and deliver your polar weather report.

Olympics: Winter vs Summer Medal Count

Olympics: Winter vs Summer Medal Count

Which country has a great balance between their summer and winter Olympic medals?

Fizz Buzz: A Counting and Divisibility Game

Fizz Buzz: A Counting and Divisibility Game

Ready for a tricky counting and divisibility game?

Parentheses: How big of a change can they make!?

Parentheses: How big of a change can they make!?

Two tiny parentheses. One expression. How big of a change can they make? Bigger than you think.

Math Curiosity: The Coloring Problem

Math Curiosity: The Coloring Problem

No video gets me more email from students! How few colors can you use to color in any map so that no two, neighboring regions are the same color?

Grouping Quadrilaterals In A Hierarchy

Grouping Quadrilaterals In A Hierarchy

Can we classify quadrilaterals like we classify living things?

What Do Mean and Median Mean?

What Do Mean and Median Mean?

When will mean and median give us different results?

Fraction Puzzlers: Add and Subtract Fractions To Reach A Number

Fraction Puzzlers: Add and Subtract Fractions To Reach A Number

You only have six digits to form three fractions. Can you combine them to get to 0?

Analyze and Create Misleading Graphs

Analyze and Create Misleading Graphs

Let’s make some intentionally bad graphs to learn how to spot poorly made graphs.