Android app on Google Play

Rectangle

If you can’t remember the numbers of the multiplication table, or if you what to visualize the multiplication of two numbers, you can draw a rectangle on a squared piece of paper and then count the number of squares inside the rectangle.

If you, for instance, need to multiply the numbers 5 and 3, you can draw a rectangle on a squared piece of paper. The ractangle is 5 squares wide and 3 squares high.

Rectangle and multiplication

If you count the numbers of squares inside the rectangle, you will see that there are 15 squares, and that’s because 5 times 3 is 15.