Course curriculum

  • 1

    About this Course

    • Sign up for Khan Academy

    • Start Khan Academy Mission

    • Check Khan Academy Percentage

    • Optional Book List
  • 2

    Ancients and Arithmetic - Week 2

    • Lascaux Caves

    • Patterns in Math - The Nautilus Shell

    • Pi Project

    • Mental Arithmetic Exercises
  • 3

    Math of Egypt - Week 3

    • Intro. to Egyptian Math

    • Egyptian Multiplication

    • Fractions and Egyptian Legend

    • Egyptian Fractions

    • Egyptian Number System

    • Translating Hieroglyphic Numbers

  • 4

    Math of Egypt - Week 4

    • Overview of Egyptian Math

    • The Bent Pyramid

    • Slope Triangle Discovery

    • Property Ownership in Egypt

    • Pyramids and Thales of Miletus

    • Shadow Proportions

  • 5

    Math of Mesopotamia/Babylon - Week 5

    • Intro. to Babylonian Math

    • Overview of Babylonian Math

    • Babylonian Number System

    • Why 60?

    • Babylonian Equations

    • Khan Academy Balancing Act for Equations

    • Make Babylonian Clay Tablets

    • The Richest Man in Babylon

    • Domino Multiples Game
  • 6

    Math of Greece - Week 6

    • Intro. to Greek Math

    • The Greek Legacy

    • Euclid Video

    • Introduction to Logic

    • Deductive Reasoning Basics
  • 7

    Math of Greece - Week 7

    • Math of Greece Overview

    • Hypatia and Algebra

    • Using Letters for Numbers

    • What is Algebra?

    • How do we use algebra?

    • How to Re-do a Recipe
  • 8

    Math of Greece- Week 8

    • Archimedes and Exponents

    • Google

    • The Story of Archimedes

    • Math, Physics, and Video Games

    • Math and Mechanics - Block Stacking

    • Platonic Solids - Greek Geometry
  • 9

    Math of Greece - Week 9

    • Pythagoras and the Pythagorean School

    • Pythagoras' Monumental Discovery - Math and Music

    • The Code- Math and Music

    • Make Musical Fraction Tubes

    • The Pythagorean Theorem

    • Pythagoras - by Vi Hart

    • Origami Proof of the Pythagorean Theorem

    • Pythagorean Theorem Square Corners
  • 10

    Math of India - Week 10

    • Intro. to Math of India and Decimals

    • Brahmagupta

    • Invention of Zero

    • Cyberchase - The World Without Zero
  • 11

    Math of India - Week 11

    • Math of India Overview

    • Number Opposites in Khan Academy

    • Discovery of Negative Numbers
  • 12

    Math of India - Week 12

    • Srinivasa Ramanujan

    • Astronomy and Trigonometry

    • Stars of the Future

    • Sirius - The Brightest Star

    • Calculate the time to Sirius in "Bike Years"
  • 13

    Math of China - Week 13

    • Intro. to Math of China

    • Solving Magic Squares

    • Magic Square Puzzles (submit)

    • Weighing Fruits in the Chinese Market

    • Building the Great Wall
  • 14

    Math of Italy - Week 14

    • Intro. to Math of the Middle Ages

    • Fibonacci

    • The Great Math Mystery - Fibonacci Sequence

    • Order of Operations

    • Vi Hart- Fibonacci

    • Discovering Fibonacci Numbers in Nature (submit)
  • 15

    Math of Italy - Week 15

    • The Golden Ratio

    • Golden Ratio Discovery

    • Art, Math and the Renaissance

    • Logo Design and the Golden Ratio

    • Facial Proportions and the Golden Ratio
  • 16

    Math of Italy - Week 16

    • Tartaglia and Cardano Tragedy

    • Tartaglia and Cardano Story Retold

    • What are Cubic Equations?

    • Rock, Paper, Scissors Championship

    • Ping-Pong Balls and Probability Proportions

    • Goldfish Proportions
  • 17

    Math of Italy and Scotland- Week 17

    • Galileo

    • Galileo Experiment Repeated

    • The Ball of Death

    • Galileo's Gravity Experiments
  • 18

    Math of France 17 and 1800's - Week 18

    • Intro. to Math of France

    • Rene Descarte and the Fly on the Wall

    • The Cartesian Coordinate System

    • Rene Descarte and the Link Between Algebra and Geometry
  • 19

    Math of France - Week 19

    • Joseph Louis Lagrange

    • History of the Meter
  • 20

    Math of France - Week 20

    • Blaise Pascal

    • Pascal's Triangle Discovery

    • Pascal's Triangle Explained

    • Pierre Fermat

    • Prime Numbers

    • Prime Factorization

    • Cicadas
  • 21

    Math of Britain - Week 21

    • Isaac Newton

    • Leibniz and Newton Calculus Controversy

    • Superpowers of Calculus

    • Isaac Newton, Gravity, and Space

    • Isaac Newton's Laws of Motion
  • 22

    Math of Germany - Week 22

    • Intro. to 20th Century Mathematics in Germany

    • Story of Carl Friedrich Gauss

    • Story of Amalie Noether
  • 23

    Math of Germany - Week 23

    • Einstein

    • Nova- Einstein's Big Idea
  • 24

    Math of Today and Tomorrow

    • Story of Edward Lorenz and Chaos Theory

    • Story of Lemmings - Unstable Population

    • Story of Hilbert's 8th Problem

    • Conclusion of the Story of Math