Playlist: Math
What’s In My Brain: Pentagon vs Pentagon
We’re looking at regular vs irregular polygons.
Factors and Codes: First Names (Episode 2)
Scrambled up somewhere in 161,000 is a first name. Can you find it!?
Factors and Codes (Episode 1)
Let’s use factors to encode and decode words.
Letters With Symmetry
Let’s group letters by their symmetry, then create symmetrical words, and then symmetrical sentences!
The Heaviest Pumpkin
How heavy is the world’s heaviest pumpkin when measured in Mr. Byrds?
An Olympic Sized Pool and Lots of Pasta (Episode 2)
How many pounds of pasta could you cook using the water in an olympic-sized pool?
Special Gifts with Special Requirements
Your special friends sure have some unique gift needs!
Investigating Population Changes
How have the ages of three countries’ populations changed from 1950 to 2020? And what problems might that create?
Measurement: An Elephant
What if I told you that an elephant weighed a back-breaking 176,000? Could you figure out the unit I’m using? But… how many corgis would that be?
Measurement: A Long Movie
What if I told you a movie was a whopping 0.017 long? Could you figure out the unit I’m using? This lesson packs in strange measurements of time as well as tiny decimals.
Measurement: How Big is this Bathtub?
So, if I told you a bathtub holds 640 of water, which unit would make the most sense?
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.
Subtraction: 3 Digits Minus 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 subtraction.
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!?
What If There Were No Hundreds Place?
Imagine a world with no hundreds place. We’d have to call it ten tens instead. But then, what would we call the thousands place? How would we read 9999? What if we added one more?
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.
What’s In My Brain: Trapezoids or Not?
Which are trapezoids and which are not?
How Many Ways: Fraction Equivalence
How many different ways can you make this math statement true using only the digits one through nine?
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?
How Many Ways: 2 Digits ÷ 1 Digit = 1 Digit
How many different ways can you make this math statement true using only the digits one through nine?
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!?
Intersecting Angles and Streets
There can never be just one angle.
What’s In My Brain – Independent vs Dependent
These clauses are sorted into two groups. What’s the rule? No definitions given — just examples.
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!
Exponents – How Low Can They Go?
Using exponent patterns, can students predict what the 0th power will be?
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!
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?
A Visual Guide To Dividing By Fractions
Have you ever wondered what it looks like to divide by a fraction, man?
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.