Playlist: Bookmarks
New Uses For A Cardboard Tube
So, what can a cardboard tube be used for other than holding wrapping paper?
Special Gifts with Special Requirements
Your special friends sure have some unique gift needs!
Not Like The Others: Penguins
Four penguins. One doesn’t belong. But which one? That depends on your argument.
Plant Adaptation Tournament
Who will win in a tournament of eight plants with Interesting adaptations!?
Fizz Buzz: A Counting and Divisibility Game
Ready for a tricky counting and divisibility game?
An Escher-Style Tessellation Project
Create a piece of repeating art in the style of MC Escher!
Addition: 3 Digits Plus 2 Digits (Multiple Solutions)
Typical practice problems don’t move students up Bloom’s Taxonomy. With this framework, you’ll see kids stop and really think about how to approach multi-digit addition.
Not Like The Others: States of Matter
How is each of the states of matter not like the others?
Word Ladders Introduction
You won’t believe how this spelling and vocabulary puzzle will get kids’ brains sweating over the smallest of words.
Numerator or Denominator: Which has more power in a fraction?
What do you do with students who already get their fraction operations? Give them a contrived project about recipes or pizza slices? Make them solve annoyingly hard practice problems? Please. Here, we get students thinking in a whole new way, pondering which has more power, the numerator or denominator.
How Many Ways: Times Equals Times
How many different ways can you make this math statement true using only the digits one through nine?
Bulls and Cows
How quickly can you break the numeric code?
Same Perimeter, Different Area For Rectangles
Can two rectangles have the same perimeter but… different areas!?
Undoing Multiplication With Division
Multiplication and division, natural foes, are constantly seeking to undo each other. Students will attempt to reverse the effects of multiplication by dividing once, twice, or even thrice!
Rounding Numbers (But Not To 10)
What could we possibly do to make rounding more interesting for students who already get it? In this series, students consider how they might round to values other than “the nearest 10.” How, for example, do we round to the nearest 9? 7? 15?
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?
More Specific than “Smart”
When students are told that they’re “smart”, what does this word actually mean to them? (Psst. It isn’t what we intended.)
Math Curiosity: Odds & Squares
Why does the sum of the first 5 odds also equal 5 squared?
Fractals: Koch Snowflake
You could keep zooming in on this snowflake forever!
Showing A Character’s Trait
We tell students to ‘show, not tell’ — but that advice is useless until they experience the difference. This lesson makes it click.
Math Curiosity: Primes and Squares
Can any perfect square be written as the sum of two primes?
Visualizing Fraction Multiplication
What does it look like to multiply fractions?
Creating A Realistic Flower and Pollinator
Your students will create a new flower, designed to attract a specific pollinator.
Greekymon
Rather than just memorizing word parts, students will use those word parts to create four possible products.
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.
Engineering: Build A Bridge
Using real bridges as their starting point, students will construct bridges out of straws and paperclips.