Prime Factorization
Draw a factor tree for 630 and then write the prime factorization of 630.
630
9 70
3 3 7 10
2 5
2 * 32 * 5 * 7
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Albert will fence a rectangular plot of land 200 feet long by 150 feet wide. What is the perimeter of the plot of land?
Perimeter = 700 feet
What number completes the equivalent fraction?
2/5 = x/65
x = 26
A half gallon of orange juice can fill how many 8 ounce glasses? (1 gallon = 4 qt, 1 qt = 2 pt, 1 pt = 16 oz)
8 8-ounce glasses
Use prime factorization to reduce 45/210.
(3 * 3 * 5)/(2 * 3 * 5 * 7) = 3/14
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Monique wants to fence the perimeter of her rectangular vegetable garden 40 feet long by 25 feet wide. What is the perimeter of her vegetable garden?
Perimeter = 130 feet
What number completes the equivalent fraction?
3/5 = x/75
x = 45
Find the median score of the following data:
78, 82, 84, 85, 85, 83, 84
Median = 84
Draw a factor tree for 560 and then write the prime factorization of 560.
560
5 112
7 16
2 8
2 4
2 2
24 * 5 * 7
Which two numbers on the number line are five units from zero?
-5 and 5
A rectangular office is 13 feet wide and 15 feet long. What is its area?
Area = 195 square feet
How many quarters total $20?
80 quarters
27, 31, 33, 34, 34, 32, 33
Median = 33
Use prime factorization to reduce 42/140.
(2 * 3 * 7)/(22 * 5 * 7) = 3/10
Which two numbers on the number line are seven units from zero?
7 and -7
A rectangular room is 15 feet long and 12 feet wide. What is its area?
Area = 180 square feet
How many nickels total $3?
60 nickels
A half gallon of orange juice can fill how many 16 oz glasses? (1 gallon = 4 qt, 1 qt = 2 pt, 1 pt = 16 oz)
4 16-ounce glasses
The movie is 204 minutes long. How many hours and minutes is 204 minutes?
3 hours 24 minutes
Compare 5/3 ______ 9/5
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How many square yards of carpet are needed to cover the floor of a room that is 18 feet long and 12 feet wide? (1 yd = 3 feet)
24 square yards
The movie is 116 minutes long. How many hours and minutes is 116 minutes?
1 hour and 56 minutes
The coordinates of three vertices of a square are (2,1), (-2,1) and (-2,-3). What is the fourth vertice to create a square?
(2,-3)