perimeter and area review
DESCRIPTION
Perimeter and Area Review. For BBES 3 rd Graders. What is Perimeter?. Perimeter is the distance around something, like a fence. To Find the Perimeter. Add all the sides together to find the perimeter. 8 cm. 3 cm. 3 cm. 8 cm. 22 cm. 8 cm + 8 cm + 3 cm + 3 cm =. - PowerPoint PPT PresentationTRANSCRIPT
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PERIMETER AND AREA REVIEWFor BBES 3rd Graders
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WHAT IS PERIMETER?
Perimeter is the distance around something, like a fence.
![Page 3: Perimeter and Area Review](https://reader036.vdocuments.site/reader036/viewer/2022062519/568150f3550346895dbf10d6/html5/thumbnails/3.jpg)
TO FIND THE PERIMETER
Add all the sides together to find the perimeter.
8 cm
8 cm
3 cm3 cm
8 cm + 8 cm + 3 cm + 3 cm = 22 cm
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REMEMBER TO LABEL YOUR ANSWER!
Look at the unit that the object is being measured in.
Label your answer with the same unit.
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FIND THE PERIMETER
5 ft
10 ft
5 ft
10 ft
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10 ft + 10 ft + 5 ft + 5 ft =
30 ft
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TRY THIS ONE…
13 in. 13 in.
13 in. 13 in.
13 in.
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13 + 13 + 13 + 13 + 13 =
65 in.
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HERE IS ANOTHER…
5 cm9 cm
9 cm 5 cm
4 cm
1 cm
1 cm
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9 + 9 + 1 + 1 + 5 + 5 + 4 =
34 cm
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HOW WOULD YOU SOLVE THIS ONE?
6 ft.
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6 + 6 + 6 + 6 =or
6 X 4 =
24 ft.
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YOU CAN FIND THE PERIMETER OF EVERYDAY OBJECTS…A basketball court is one example:
15 m
28 m
![Page 14: Perimeter and Area Review](https://reader036.vdocuments.site/reader036/viewer/2022062519/568150f3550346895dbf10d6/html5/thumbnails/14.jpg)
AND THE PERIMETER OF THE BASKETBALL COURT IS…
15 + 15 + 28 + 28 =
86 m !
![Page 15: Perimeter and Area Review](https://reader036.vdocuments.site/reader036/viewer/2022062519/568150f3550346895dbf10d6/html5/thumbnails/15.jpg)
WHAT IS AREA?The amount of surface inside a
shape; measured in square units.
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TO FIND THE AREA:
One way is to count up the squares.
8 sq. cm.
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ANOTHER WAY TO FIND THE AREA:
4 units
4 X 4 = 16 sq. units
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TRY ANOTHER:
6 units
2 units
6 X 2 = 12 sq. units
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FIND THE AREA…
8 ft
5 ft
8 X 5 = 40 ft2
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REMEMBER…Perimeter is the distance AROUND something.
Area is the amount of surface INSIDE a shape.