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14-4 Area of Squares and Rectangles
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14-4 Area of Squares and Rectangles
Word Problem
Which of these shapes has an area of 5 square centimeters?
Mr. Andre is putting tile down in his bathroom. The bathroom is 10 feet long and 5 feet wide. The tile costs $8 per square foot. How much will it cost Mr. Andre to tile his bathroom?
AREA
9 ft
Area
6 ft
What is the area?
10 mm
6 mm
We can say this with a formula:
Area=Length x Width
Small Group
Draw a large rectangle on your grid paper.
Exchange with a partner and find the area.
Area
Look at the top of your desk. How could you find out how much space your desktop covers?
Area
Jorge is carpeting a room that is shaped like a square. One wall of the room is 6 yards long. How many square yards of carpet will jorge need? Use grid paper to solve.
AREA
What kind of figure did you draw?
How many squares are there in one row?
How many rows are there?
What is a quick way to find the total number of squares in the figure?