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19
Area and Perimeter
Worksheet 1
Area
Look at the area model and complete.
1.
⫻
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⫻
⫽
⫹
⫹
⫽
Draw an identical shape on the square grid paper.
2.
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Make a figure using 4 half-squares (
) and 4 squares ( ).
Each square is 1 square unit.
Find the area of each figure.
Example
Area ⫽
6
square units
Area is the amount
of surface covered.
It is measured in
square units.
4.
Area ⫽
208
square units
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3.
Chapter 19 Lesson 19.1
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5.
Area ⫽
square units
Area ⫽
square units
6.
Each square ( ) is 1 square unit.
Each half-square (
) is _21 square unit.
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Find the area of each figure.
Example
Area ⫽
5
square units
7.
Area ⫽
square units
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8.
Area ⫽
square units
Area ⫽
square units
9.
Draw and color two figures each with an area of 8 square units.
as 1 square unit and
10.
210
as _21 square unit.
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Use
Chapter 19 Lesson 19.1
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Worksheet 2
Square Units (cm2 and in.2)
Find the area of each shaded figure.
Example
1 cm
The square centimeter (cm2)
is a metric unit of measure for
area. The area of each is
1 square centimeter.
1 cm
Area of the shaded figure ⫽
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1.
2.
1 cm
8
1 cm
1 cm
1 cm
Area of the shaded figure
Area of the shaded figure
⫽
⫽
3.
cm2
cm2
1 cm
1 cm
Area of the shaded figure ⫽
cm2
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cm2
211
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Find the area of each shaded figure.
Example
1 in.
1 in.
The square inch (in.2)
is a customary unit
of measure for area.
The area of each is
1 square inch.
Area of the shaded figure ⫽
4.
9
in.2
1 in.
Area of the shaded figure ⫽
in.2
1 in.
5.
1 in.
Area of the shaded figure ⫽
in.2
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1 in.
These inch squares
are smaller than in
real life.
212
Chapter 19 Lesson 19.2
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Worksheet 3
Square Units (m2 and ft2)
Find the area of each shaded figure.
Example
1m
The square meter (m2)
is also a metric unit of
measure for area.
1 square meter (m2) is
larger than 1 square
centimeter (cm2).
1m
Area of the shaded figure ⫽
m2
1m
1.
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9
1m
Area of the shaded figure ⫽
m2
Area of the shaded figure ⫽
m2
1m
2.
1m
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3.
1m
1m
Area of the shaded figure ⫽
m2
Find the area of each shaded figure.
1 ft
The square foot (ft2)
is also a customary unit
of measure for area.
1 square foot (ft2) is
larger than 1 square
inch (in.2).
1 ft
Area of the shaded figure ⫽
4.
9
ft2
1 ft
1 ft
Area of the shaded figure ⫽
214
ft2
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Example
Chapter 19 Lesson 19.3
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Worksheet 4
Perimeter and Area
Find the perimeter of each shaded figure.
Example
1 cm
The perimeter of the
figure is the distance
around it.
1 cm
Perimeter of the shaded figure ⫽
cm
1 cm
1.
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10
1 cm
2.
Perimeter of the shaded figure ⫽
cm
Perimeter of the shaded figure ⫽
in.
1 in.
1 in.
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3.
1m
1m
Perimeter of the shaded figure ⫽
m
Look at the figures. Then fill in the blanks.
1m
B
A
4.
Perimeter of Figure A ⫽
Area of Figure A ⫽
5.
m
m2
Perimeter of Figure B ⫽
Area of Figure B ⫽
m
m2
6.
Do Figures A and B have the same area?
7.
Do Figures A and B have the same perimeter?
216
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1m
Chapter 19 Lesson 19.4
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Worksheet 5
More Perimeter
Find the perimeter of each figure.
Example
5 cm
2 cm
To find the perimeter of
a figure, we add up the
lengths of all its sides.
2 cm
5 cm
Perimeter 5
14
cm
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1.
2
5
2
6 cm
6 cm
6 cm
6 cm
Perimeter cm
2.
16 cm
2 cm
12 cm
Perimeter cm
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3.
9 in.
7 in.
7 in.
Perimeter in.
4.
3m
4m
4m
6m
Perimeter m
5.
8 ft
2 ft
6 ft
6 ft
6 ft
218
10 ft
Perimeter ft
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5m
Chapter 19 Lesson 19.5
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Solve.
6.
Sharon has a square piece of paper that has a side length of
4 centimeters. What is the perimeter of the piece of paper?
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4 cm
7.
Jeff puts a fence around a rectangular garden that measures 5 meters
by 7 meters. How many meters of fencing does Jeff use?
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8.
Date:
Mavis pastes ribbon around the rectangular box twice. The box
measures 5 centimeters by 9 centimeters. What is the length of
ribbon Mavis uses?
5 cm
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9 cm
220
Chapter 19 Lesson 19.5
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