Try to use bricks of this size:
To solve the problem shown on the screen, click on the correct answer. If you choose the wrong answer, you will be given a hint. If you choose the right answer, you will be able to move to the next problem.
There are arrays of bricks to help you understand the problem. Use your own bricks to help you solve the problem.
Throughout the pages, the following key is used to organize the arrays.
The colors are used to show how many bricks are in each row of the array.
Here is an example of the array showing the answer to 3 x 2.