Playlist: Bookmarks
Investigating Population Changes
How have the ages of three countries’ populations changed from 1950 to 2020? And what problems might that create?
Olympics: Medals by Population
Do big countries always have the most medals? Which smaller countries rank surprisingly high in the Olympics?
Greek and Latin Word Part Paths
How can we go from Biology to Immobile?
Word Ladders Introduction
You won’t believe how this spelling and vocabulary puzzle will get kids’ brains sweating over the smallest of words.
Evens and Odds – Addition and Subtraction
When we’re adding and subtracting, do evens make odds into evens? Do odds make evens odd? Which one has… more power!?
Virtue or Vice?
Aristotle noted that positive traits and negative traits are often the same thing, but just in different amounts. The right amount is a virtue, but too much or too little and it’s a vice.
Create Your Own Operation
The commutative and associative properties are a whole lot more interesting when you apply them to a mathematical operation that you created!
Fraction Ordering Tournament
Which set of fractions would be the trickiest to order from least to greatest? Let’s have a tournament!
Same Perimeter, Different Area For Rectangles
Can two rectangles have the same perimeter but… different areas!?
Why Is Our Calendar So Weird!?
Why are there 12 months? Why don’t weeks fit into months evenly? Why don’t weeks fit into the year evenly? What’s going on with the calendar!
The Angles of a Triangle
Why tell a kid the rules of a triangle when they can discover them!?
A Donut Investigation
In this cross-curricular investigation, students will look into an intriguing question: do donuts or salads have more sugar? They’ll grapple with misleading information, bias, and use their math skills to create a visual representation of sugar in popular foods.
Motivation and Moral Development
Can someone do the right thing, but for the wrong reason?
The Game of 100
Who can get to 100 first in this simple, but delightful, math game?
A Grid-Based Fraction Project
You’ve got 60 spaces on a grid to create an amusement park, a house, a farm, or whatever you’d like. Divide it into seven pieces, order it by size, combine into two halves, and more in this fraction project.