Cubic display

Algebra Level 1

In a store display, identical cubic boxes are stacked in square layers. Each layer has 1 fewer row and column than the layer directly beneath it. If the bottom layer has 100 boxes and the top layer has 1 box, how many boxes are used in the display?

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.