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How Did Romans Count to 100?



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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.

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