Order History
Premium Membership & Rewards
Help Center / FAQ
How Did Romans Count to 100?: Introducing Roman Numerals
Paperback
$6.99
Premium Members save an extra 10% and all Members collect stamps to save with Rewards. 10 stamps = $5.Learn More
This item is currently out of stock online.
Select a store to view item availability.
Have you ever wondered how people counted to 100 before modern numbers were invented?
In the How Do series, readers are invited to guess and then explore the science behind the right answers. A basic explanation of Roman numerals, examples of how they are used today, and step-by-step guides on how to use them are explored through diagrams, photos, and informative and engaging text in this newest addition to the How Do series.
About the How Do series: These visually appealing STEM titles for ...