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Playlist: Bookmarks

Factors and Codes (Episode 1)

Factors and Codes (Episode 1)

Let’s use factors to encode and decode words.

What’s the Pattern? Fraction Addition

What’s the Pattern? Fraction Addition

Can your students figure out how to add fractions by looking for a pattern?

An Escher-Style Tessellation Project

An Escher-Style Tessellation Project

Create a piece of repeating art in the style of MC Escher!

Math Curiosity: Klauber’s Triangle

Math Curiosity: Klauber’s Triangle

In 1932, a leading authority on rattlesnakes, Laurence Klauber, discovered a startling pattern within a triangle of primes.

Fraction Ordering Tournament

Fraction Ordering Tournament

Which set of fractions would be the trickiest to order from least to greatest? Let’s have a tournament!

Math Curiosity: Four Squares

Math Curiosity: Four Squares

Every positive integer can be written as the sum of (at most) four perfect squares!

Fractals: Sierpinski’s Triangle

Fractals: Sierpinski’s Triangle

What if this triangle pattern just kept repeating… forever!?

Math Curiosity: Palindromic Number Conjecture

Math Curiosity: Palindromic Number Conjecture

Using this one weird trick, it seems that you can turn any number into a palindrome!

The Game of 100

The Game of 100

Who can get to 100 first in this simple, but delightful, math game?