Playlist: Bookmarks
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!
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.
Fizz Buzz: A Counting and Divisibility Game
Ready for a tricky counting and divisibility game?
Ultimate (or Inception) Tic Tac Toe
What if each square on a Tic-Tac-Toe board had another Tic-Tac-Toe board inside of it?
A Lunar Survival Mission
A favorite of mine! This task is delightfully complex and ambiguous, forcing students to make choices without enough information and with no right answer. How will they survive on the moon for three days?
Not Like The Others: States of Matter
How is each of the states of matter not like the others?
Disneyland Parking Structure Math Project
Your students will use estimation strategies to figure out how many parking spots are there in the parking structure at Disneyland? And you bet I reveal the real answer!
Bulls and Cows
How quickly can you break the numeric code?
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!
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?
Creating A Classroom Motto
Starting with specific examples of fantastic classroom behavior, your class will end up with one sentence summing up their expectations. It’s a classroom motto!
Intellectual Intensity
Do you know someone who becomes a bit overexcited by ideas?