Area and Perimeter
The formula to find the area of a rectangle
what is A= L x W
What is the name of a number that only has two factors
A prime number
How many legs do 9 spiders have
spider= 8 legs
8x9=72 legs
11x6
11x6=66
49/7
49/7=7
Before soccer practice, Laura warms up by jogging around the outside of the entire soccer field. The field measures 80 meters by 120 meters.
If Laura wants to know how many meters she jogged in all, which measurement should she find?
Perimeter
Find the factors of 33
is this number prime or composite?
33
1x33 11x3
1,3,11,33
Composite
The new Ice Spice album sold 243 limited edition copies last week and another 482 limited edition copies this week. If there were 965 limited edition copies released, how many copies of the album remain to be sold?
965 – 243 – 482 = 240 240 copies of the album remain to be sold.
7x6
7x6=42
108/12
108/12=9
Davis knows that the area of his square-shaped bag is 81 feet2. What is the length of any side of the bag?
square= all sides are the same size- Length and width are the same
A=LxW
81=LxW
81=9x9
Find the factors of 38
is it prime or composite?
38
1x38 2x19
1,2,19,38
COMPOSITE
In a car factory, there are 8 assembly lines. Each assembly line manufactures cars at the same speed. There are 2 supervisors and 12 workers working on each assembly line. How many workers are there in total?
12 x 8 = 96 There are 96 workers in total.
8x65
8x65=520
76/4
76/4= 19
Find the perimeter of a garden that has a width of 9 and a length that is 3 times as big as the width.
P = L+L+W+W
P= L+L+7+7
L=3 x w
L= 3 x 9
L= 27
P= 27 + 27 + 9 + 9
P= 54+9+9
P=54+18
P=72 units
Find the factors of 48
is it prime or composite
48
1x48 2x24 3x16 4x12 6x8
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
more than two factors
composite
In a school, there are 12 classes and 30 teachers. In each class, there are 35 students. How many students are there in total?
35 students = 1 class
12 classes
12x35
12x35= 420 students in total
12x74
12x74=888
748/3
748/3 = 249 r1
The store’s rectangular floor is 22 meters long and 53 meters wide. How many square meters of flooring do they need? Show your work.
A= L x W
A= 22 x 53
A= 1166 meters2
it's neither!
William buys a new desk for his office which measures 11 feet by 14 feet. He wants to put a cover on the desk that costs $8 per square foot. How much will it cost William to buy a desk cover?
A=LxW
A=11x14
154= A
154 x 8= cover cost
1232 = cover cost! too much money!
5x543
5x543=2715
1674/8
1674/8 = 209 R 2