Chess & Rice Grain

Algebra Level 1

A girl puts \(1\) grain of rice in the first square of an 8 by 8 chess board. In the subsequent square she puts twice that of the previous square, and she continues until she fills all the squares. How many total grains does she need?

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Chess & Rice Grain

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.