13.1
What is the perimeter of a rectangle whose length is 16 yards and width is 4 yards?
16 x 2 = 32 yards
4 x 2 = 8 yards
32 = 40 yards
Find the area of a rectangle whose measurements are 7 inches in length and 2 inches in height.
7 X 2 = 14 in 2
Find the area of the combined rectangles:
teacher will draw the rectangle on board p. 731#2
12 x 6 = 72
6 x 6 = 36
72 - 36 = 36 sq mm
Find the unknown measure of the restangle.
If the width of a rectangle is 9 m and the
Perimeter = 42 meters. What is the area?
A = 9 x 2 = 18
= 42 - 18 = 24
= 24 divided by 2 = 12 sq m
A wall is 14 x 8 feet. The window in the wall is 3 x 5 feet. If I were to paint the wall how many square feet would I paint?
14 x 8 = 112
3 x 5 = 15
112 - 15 = 97 sq ft
What is the perimeter if the base is 110 m and the height is 42 m?
110 x 2 = 220
42 x 2 = 84
220 + 84 = 304 meters
8 x 14 = 112 sq ft
Find the area of the combined rectangle:
teacher will draw it on the board p. 731 #3
18 x 7 = 126
8 x 2 = 16
146 sq mi
Find the unknown area of the rectangle.
Area = 28 square centimeters
base = 4 cm
height = ?
28 divided by 4 = 7 sq cm
Barbie wants to paint a garage door. It is 16 feet wide by 7 feet high. There is a window within the door that doesn't need painting and it measures 2 feet by 7 feet. How many square feet of the garage door needs to be painted.
16 x 7 = 112 sq ft
2 x 7 = 14 sq ft
Area= 98 square feet
What is the perimeter of a square whose sides measure 5 m?
5 x 4 = 20 meters
Find the area of a square whose sides measure 13 yards.
13 x 13 = 169 sq yd
Find the area of the combined rectangles:
Teacher will draw on the board p. 731 #4
16 x 8 = 128
4 x 8 = 32
128 - 32 = 96 sq ft
Find the unknown area of the rectangle. The length is 25 inches.
Area = 200 square inches
25 x ___ = 200
200 divided by 25 = 8 sq in
One wall in my bedroom is 5 ft wide and 8 feet tall. I have a picture on that wall that measures 2 feet by 3 feet. How much of the wall is not covered by the picture?
5 x 8 = 40
2 x 3 = 6
40 - 6 = 34 sq ft
What is the side length of a square with a perimeter of 60 meters?
60 divided by 4 = 15 meters
Find the area of Tami's yard that is rectangular. It measures 15 by 18 meters. Toni's yard is rectangular and measures 20 by 9 meters. Whose yard is greater in size, and how much greater is it?
15 x 18 = 270 meters
20 x 9 = 180 meters
Tami's by 90 meters
Which equation(s) would you use to solve the problem the teacher will draw on the board (p. 732 #8)?
a. 2 x 8 and 2 x 4
b. 2 x 6 and 2 x 8
c. 2 x 6 and 6 x 2
a and c
The area of the rectangular picture is 35 square inches. If the width of the photo is 5 inches, how tall is the photo?
35 divided by 5 = 7 sq in
Nate used 112 inches of yarn as a border around his rectangular bulletin board. If the bulletin board is 36 inches wide, how long is it?
36 x 2 = 72
112 - 72 = 40
40 divided by 2 = 20 inches
How many feet of lights does Jim need to decorate his patio if it measures 12 yards in length by 14 yards in width?
12 x 2 = 24
14 x 2 = 28
24 + 28 = 52 yards
Find the area:
base: 16 feet
height: 6 feet
16 x 6 = 96 sq ft
Find the perimeter and the area of the drawing the teacher will put on the board:
p. 731 # 6
P=12 + 9 + 8 + 4 + 4 + 5 = 42 ft
A = 12 x 9 = 108
4 x 4 = 16
A = 108 - 16 = 92 sq ft
Find the unknown area of the rectangle.
Nate used 112 in of yarn as a border around his bulletin board. If the bulletin board in 36 inches wide, how long is it?
36 x 2 = 72
112 - 72 = 40
40 divided by 2 = 20 inches
Find the unknown measure of the rectangle.
The base is 20 feet.
Perimeter = 54 feet
Width: ?
20 x 2 = 40
54 - 40 = 14
14 divided by 2 = 7 feet