Multiplication and John Napier's Bones (Mathematical Kids)
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Description
Make big multiplication feel easy—and exciting!
In Multiplication and John Napier's Bones , readers ages 8–12 meet John Napier of Edinburgh, the mathematician who asked a bold question: how can we multiply large numbers quickly and accurately?
With warm storytelling and clear examples, this picture book shows how Napier’s clever “bones” (numbered rods) and his breakthrough idea of logarithms turned hard multiplication into simple, organized steps. Kids will see exactly how to read diagonals on Napier’s bones to solve problems like 34 × 7, and they’ll discover how logarithms turn multiplication into easier addition for scientists and navigators.
Along the way, they’ll learn about the decimal point, teamwork with Henry Briggs, and why astronomers like Johannes Kepler celebrated Napier’s work.
Includes a hands-on Try This activity to make your own paper bones and a one-page biography for adults and curious kids. Perfect for classrooms, math clubs, and anyone who loves turning tough problems into smart solutions.
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