Playlist: 3rd Grade
Words Within Words: Chocolate
How many words can you find within Chocolate?
Math Curiosity: Magic Triangles
Can you make each side of this triangle add up to 9 using the digits 1-6?
Pig Pen Cipher (Codes Part 2)
Let’s encode some secret messages with a cipher that was actually used during the American Civil War!
Shift Cipher (Codes Part 1)
Let’s encode and decode secret messages like Julius Caesar!
Word Pyramids
Start with a one letter word, add another letter, then add another. How tall can you make the pyramid?
Notice, Wonder: Critter
A mysterious image. Reveal it slowly. Let your students wonder!
Words Within Words: LEOPARD
How many words can you find within “leopard”?
Word Pyramid: O to Stones
Add a letter at each step to form a new word. Can you connect the starting point and ending point?
Word Pyramid: I to LIONS
Add a letter at each step to form a new word. Can you connect the starting point and ending point?
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?
Game: Wild Tic Tac Toe
Imagine Tic-Tac-Toe, but both players can both play as both X and O throughout the whole game!
Game: Number Scrabble
What if we played Tic-Tac-Toe with numbers and instead of three-in-a-row, we add up to 15? Well… then we’d have Number Scrabble!
An Escher-Style Tessellation Project
Create a piece of repeating art in the style of MC Escher!
Same Perimeter, Different Area For Rectangles
Can two rectangles have the same perimeter but… different areas!?
Math Curiosity: Four Squares
Every positive integer can be written as the sum of (at most) four perfect squares!
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.