Reasoning to Find Area


Activity #1

  • Use the unit squares below to tile the figure.

Activity #2

 Find the Area of a Rectangle.

The area of a rectangle is generally found by multiplying the length by the width. This can be proven by interacting with the applet below. What ever the dimensions of the rectangle happen to be, the numbers of squares that are enclosed will be the product of the side lengths. Investigate!

  • Move the sliders and observe the effect on the dimensions of the figure.
  • Count the squares that are enclosed in each case.
  • Verify the area by multiplying the measure of the length by the measure of the width.
  • Answer the questions below.

Quiz Time

The quiz below can be completed at After a trial practice, click on our subscription link in the video, to see how much you’ll save when you signup from our website.