Games
Problems
Go Pro!

# Pyramid of Blocks

Pro Problems > Math > Number and Quantity > Number Theory

## Pyramid of Blocks

Baby Bart builds a pyramid with blocks. The top level of his pyramid is made up of 1 block. The next level down is two blocks wide and two blocks long. If each successive level has one more block in width and in length than the level above it, and the pyramid is 25 levels tall, how many blocks are used?

Presentation mode

## Solution

In order to make it feasible for teachers to use these problems in their classwork, no solutions are publicly visible, so students cannot simply look up the answers. If you would like to view the solutions to these problems, you must have a Virtual Classroom subscription.
Assign this problem

## Similar Problems

### How many zeroes?

In how many zeroes does the number (220)(315)(43)(540)(711) end?

### Crossing Out Numbers

I wrote out all the integers from 1 to 20 inclusive (inclusive means including both 1 and 20). Then I crossed out all the even numbers, all the multiples of five, and all the perfect squares. How many numbers were left?

### Nine Digit Number

Without the use of a calculator, find a nine-digit number which is one less than a perfect cube, and which is a multiple ofÂ 640,801.