Playlist: Bookmarks
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?
An Escher-Style Tessellation Project
Create a piece of repeating art in the style of MC Escher!
Self Portraits Part One: Line Drawings
Anyone, yes anyone, can create a (somewhat) realistic self-portrait using these steps. Anyone!
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.
How Many Ways: 2 Digit ÷ 1 Digit = 1 Digit
How many different ways can you make this math statement true using only the digits one through nine?
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!
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.)
The Game of 100
Who can get to 100 first in this simple, but delightful, math game?