North Potomac Blog

A vintage-style analog alarm clock on a colorful orange and pink background, showing approximately 10:08.

What Is Modular Arithmetic? The "Clock Math" That Hooks Curious Kids

Oct 12, 2026 | North Potomac Blog

Mathnasium tutors explain what modular arithmetic is and how the math behind the clock works, with a few extra real-life examples and a practice activity.

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