Name___________________________________ Date __________________ Period __________
Discovering Area of Parallelograms
Highlight the base red and the height green for each parallelogram
to the right. Record the lengths of the base and height of each
parallelogram on the right in the table. Find and record the area of
each figure.
Area of a Parallelogram
Figure
Base of parallelogram
Height of
parallelogram
Area of parallelogram
Figure A
__________units
__________units
_________units2
Figure B
__________units
__________units
_________units2
Figure C
__________units
__________units
_________units2
Parallelogram Guided Practice
a. Mr. Jamison is cutting two table tops in the
shapes of parallelograms shown below. How
much wood will Mr. Jamison need to purchase?
3 ft
b. Mrs. Jamison is cutting ribbon to make a
border around one of the tables. How much
ribbon will Mrs. Jamison need to purchase?
3 ft
2.6 ft
2.6 ft
7.2 ft
7.2 ft
A.
28 ft2
C.
37.44 ft2
A.
20 feet
C.
40.8 feet
B.
43.2 ft2
D.
25.6 ft2
B.
20.4 feet
D.
19.6 feet
c.
Which is closest to the area of this parallelogram?
A.
420 square cm
B.
360 square cm
C.
433 square cm
D.
369 square cm
14
2
cm
5
12
1
cm
4
1
30 cm
8
Property of Cy-Fair ISD Middle School Math Dept.
Parallelogram Independent Practice
1.
A.
B.
C.
D.
11 cm
Which of the following is a true statement about the two figures below?
The area of the parallelogram is more than the area of the rectangle.
The area of the rectangle is twice the area of the parallelogram.
The area of the parallelogram is equal to the area of the rectangle.
The area of the rectangle is more than the area of the parallelogram.
10 cm
7 cm
7 cm
10 cm
2.
Which equation should be used to find A, the area of the figure?
11 ft
15 ft
A.
A  22(11)
C.
A  15(11)
B.
A  15  15  22  22
D.
A  15(22)
22 ft
3.
Damaris is replacing the carpet in her living room. About how much carpet will she need?
3.13 yd
A.
40 yd2
C.
16 yd2
B.
20 yd2
D.
52 yd2
12.73 yd
4.
Freddy is painting his rectangular patio. He has a fire pit in the middle of the patio. How much
paint will Freddy need if he is painting the entire shaded portion of his patio shown below?
3 ft
5 ft
8.5 ft
5.
Jessica is redecorating her room and bought a new rug at Underfoot, Inc. The rug is shaped like
a parallelogram with a base of 5.5 feet and a height of 4.5 feet. To the nearest foot, what is the
area of her new rug?
4
.
5.
5
f
6. Mr. Simmons
is trying to find a tablecloth for his rectangular dining table. He knows the area of
tf
the table and the length of the table. What is the perimeter of the table?
t
Area = 36 square feet
Length of table = 9 feet
Property of Cy-Fair ISD Middle School Math Dept.