Step 2: Overview
• Hand out copies of page 13
• Review area, the amount of space within a shape, calculated by multiplying length x width: a=l x w
• Review perimeter, the outside border or rim of a shape, calculated by adding the length times 2 plus the width times 2:p=2l+2w
• Have students use rulers to measure the length and width of classroom desktops or tables in inches. Then have them calculate the perimeter. Next, have them find the area. Remind students that area is expressed in “square” inches, feet, yards, meters, miles, etc.