Journey Through Ancient Number Systems
Discover the mathematical genius of ancient civilizations
Video lessons • Printable worksheets • NotebookLM resources
What’s This About?
Imagine traveling back thousands of years — no calculators, no computers, no familiar 0-9 digits. How did ancient civilizations count, calculate, and track the stars? These activities reveal how different cultures invented brilliant number systems, many of which we still use today!
System Comparison Table
Each worksheet includes a comparison table so students can see how different systems approach the same problems. By the end, students build a comprehensive chart comparing all ancient number systems to our modern base-10.
Best for: Teachers, students, self-learners | Systems covered: Babylonian, Mayan, Egyptian, Roman, Chinese
The Babylonian System (Base-60)
Travel to Mesopotamia, 3300 BCE — the birthplace of 60 seconds, 60 minutes, and 360 degrees
Video: Babylonian Numbers
Discover how the Babylonians used just two symbols to write any number — and why we still use their base-60 system for time and angles.
Covers: Worksheet | Time: ~10 min
Worksheet: Babylonian Numbers
Learn to read and write Babylonian numerals. Convert between base-60 and base-10, and discover why this ancient system was brilliant for fractions.
Difficulty: Beginner | Time: 20-30 min
The Mayan System (Base-20)
Travel to Mesoamerica, 300 AD — discover a vertical number system with a true zero
Video: Mayan Numbers
See how the Maya used dots, bars, and shells to create a sophisticated base-20 system — one of the first to use a true zero.
Covers: Worksheet | Time: ~10 min
Worksheet: Mayan Numbers
Learn to read vertical Mayan numerals with dots (1), bars (5), and shells (0). Practice converting and adding in base-20.
Difficulty: Beginner | Time: 20-30 min
More Systems Coming Soon
Egyptian hieroglyphic numerals, Roman numerals, Chinese rod numerals, and more
Egyptian Hieroglyphics
Base-10 with picture symbols for powers of 10
Roman Numerals
Additive and subtractive system still used today
Chinese Rod Numerals
Early decimal place-value system
What You’ll Discover
Place Value Systems
How position determines value — the key insight that makes large numbers manageable
Different Bases
Why some cultures chose 10, 20, or 60 — and how base affects calculation
The Invention of Zero
One of humanity’s greatest mathematical discoveries — and which civilizations figured it out
Living Legacy
Ancient math we still use today — from telling time to measuring angles
For Teachers
These materials work for curious students at any level who want to understand how mathematics developed across civilizations. The structured comparison format helps students see patterns across systems and understand why our modern base-10 system works the way it does.
Each system includes: NotebookLM source document, video lesson, printable worksheet with answer key