Area:
Perimeter:
Area: 4 x 5 = 20
Perimeter: 4+5+4+5 = 18
A rectangular countertop is 3 feet long and 9 feet wide. What is the area and perimeter of the countertop?
3+9+3+9= 24 feet
Some paint spilled on Amina’s rectangle before she could count all the squares. What is the area of Amina’s rectangle? Explain to Amina how you can find the area without counting all the squares.
5 x 3= 15
Amina can find the area of the rectangle by multiplying width times length.
Area: Perimeter:
Area:
Perimeter:
Area: 7 x 9= 63
Perimeter: 9+7+9+7= 32
Rosita is building a chicken coop for her backyard. She needs it to have an area of 45 feet. The length of the coop is 9 feet. What is the width?
45/9= 5 feet
Mia said that Figure Q and Figure R have equal areas and equal perimeters. She supported her thinking by saying that any two figures with the same area always have the same perimeter.
Figure Q: Area= 3 x 4= 12 sq. feet
Figure Q Perimeter = 3+4+3+4= 14 feet
Figure R Area: 2 x 6 = 12 sq. feet
Figure R Perimeter: 2+6+2+6= 16 feet
Michaela ordered a rug for her bedroom. The rug is 7 feet wide and 6 feet long. What is the area of her rug?
7 x 6= 42 feet sq.
Susan is putting a fence around a new playground. She used 20 feet of fencing. What is one possible drawing of her playground? Include the length and width.
4 x 5= 20
Decompose the rectangle below into two smaller rectangles and show your thinking below.
Bathroom Floor
What is the area of the bathroom floor? 5 x 13=
(5x10) + (5x3) =
50 + 15 = 65 sq. feet
Tyler is putting a fence in his rectangular backyard. His backyard is 45 feet long and 37 feet wide. How many feet of fence will he need?
45+37+45+37= 164 feet
Each side of a square piece of tissue paper is 7 centimeters long. What is the area and perimeter of the tissue paper?
Area: 7x7= 49 centimeters sq.
Perimeter: 7+7+7+7= 28 centimeters
Which equation matches the rectilinear figure below?
(4 x 2) + (8 x 5)
(3 x 8) + (2 x 4)
(4 x 5) + (8 x 3)
(5 x 4) + (3 x 3)
(3x8) + (2x4)=
24 + 8= 32 square units
Answer 2
Ms. Faggard has a teacher desk with a length of 4 feet and width of 2 feet. She wants to know if her new paper holder will fit on her desk. The bottom of her paper holder has a length 1 foot and a width of 2 feet. Will her new paper holder fit on her desk? Why or Why not?
4 x 2= 8 feet
1 x 2= 2 feet
Yes, Ms. Faggards paper holder will fit because the area of the desk is 8 feet and the area of the paper holder is 2 feet. She will have 6 feet left over.
The dimensions of a garden shed are shown below. Circle the equation that correctly identifies how to decompose this figure to find the total area.
A. (2 x 2) + (3 x 3) = 10 sq. cm
B. (5 x 2) + (5 x 3 )= 25 sq. cm
C. (3 x 3 ) + (2 x 5) = 19 sq. cm
D. (3 X 2) + ( 5 x 5)= 31 sq. cm
(2x5)+(3x3)=
10+9= 19
Answer choice C