How Did Romans Count to 100?

Introducing Roman Numerals

Author: Lucy D. Hayes and Srimalie Bassani Series: How Do?

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Description

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 inquisitive readers and young science enthusiasts, are fully illustrated nonfiction picture books that are a great introduction to various STEM topics. Each title includes facts and figures, simple diagrams and hilarious illustrations and is written in a question-and-answer format to encourage readers to ask questions and guess the answers before exploring the science behind the correct answers.

About the Author

Lucy Hayes loves learning. She says she loves to learn about anything, but she specifically loves science and math. She has a B.S. in Industrial Engineering and is currently working as a high school physics teacher. (She credits her decision to teach to the wonderful teachers in her life). When asking one of her students how she should describe herself, her student replied "weird." Lucy could sense from the tone it was a compliment and has decided to go with it!

Srimalie Bassani lives and works in Mantova, Italy. Her mother has always encouraged her artistic expression, and she is the inspiration for her passion. Her work is full of surprises. She always tries to diversify her style based on every story she illustrates. It's almost impossible to remove her from her writing desk, where she keeps a stack of books and teacups of many colors.