Playlist: Bookmarks
Shift Cipher (Codes Part 1)
Let’s encode and decode secret messages like Julius Caesar!
Categorize and Re-Categorize Animals
Put these animals into groups. Then do it again. Then… do it one more time. How does re-re-grouping the same creatures reveal new patterns and give new insights?
Horde Chess Variant
What if one player had, say, 32 pawns?
Looping Grid Art
Pick a few numbers, draw some corresponding lines on grid paper, and you’ll end up with some interesting, looping math-y art!
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?
Writing A Thanksgiving Letter
What if an inanimate object could express thanks for a special person in your life? What would it write?
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!
Student Introductions With Depth and Frames
Want to introduce the tools of Depth and Complexity and learn more about your students and introduce the Frame graphic organizer? Have I got the activity for you!
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?
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.
The Game of 100
Who can get to 100 first in this simple, but delightful, math game?