Order of Operations
Evaluate:
4 X (5 + 1)
24
What is the area of a rectangle with a width of 7 in and a length of 9 in?
63 in2
The length of a microorganism is 5.0 X 10-5 meter. Write this number in standard decimal notation.
0.00005 meters
Write 15% as a decimal.
0.15
2 gallons = ? quarts
8 quarts
Evaluate:
32 x 5 - 1 + 5
49
How far will you travel going 65 mph for 3 hours?
195 miles
The mass of a chemical compound is 1.01 grams. How many significant digits does this number have?
3
You earn a 5% commission on a $3200 sale. What do you earn, in dollars?
$160
Your friend is 6 feet tall. Find your friend’s height in inches.
(1 foot = 12 inches)
72 inches
Six friends decide to split the cost of catering and decorations for a birthday party. The catering costs $219.59 and the decorations cost $148.99. How much should each friend pay, in dollars?
$61.43
A rectangular flower garden is 11 feet long and 8 feet wide. In the center is a fountain having a square base with sides of 4 feet. How much of the garden, in square feet, is available to plant flowers?
(Area = Length x width )
72 ft2
Three people split a restaurant check for $29.39. How much does each person pay, in dollars, to the nearest cent?
$9.80
A pizza is cut into 10 pieces. You eat two pieces. What percent of the pizza did you eat?
20%
An Olympic athlete throws a discus 8000 centimeters. How far did the athlete throw the discus in meters?
(100 cm = 1 meter )
A dessert recipe calls for 2 teaspoons of white sugar per serving.
How many teaspoons should you use to make 8 servings?
16 teaspoons
Ana pays 50 cents per cubic foot of water to fill her backyard pool. Her rectangular pool is 10 ft wide by 15 ft long and she will be filling it to a depth of 4 ft. How much will Ana pay to fill the pool?
(Volume = Length x width x depth)
$300
You estimate that you use 7.5 x 104 liters of water per year. Write this number in standard decimal notation.
75,000 liters
A bag contains 4 red marbles, 11 blue marbles, and 10 yellow marbles. What percent of the marbles are red?
approximately 18.2%
A local news station reports that the temperature outside is 25 C°
What is the temperature in degrees Fahrenheit?
(F = 1.8C + 32 )
77 degrees Fahrenheit
You buy 3 cans of paint at $18.59 each and 2 paint rollers at $11.86 each. What is your total cost, in dollars?
$79.49
You and 3 friends decided to go to the Twenty One Pilots concert in Des Moines, which is 85 miles away. You have agreed to split the cost of gas evenly. If your friend's car gets 20 mi/gal and gas costs $2.50 per gallon, how much will each of you owe for gas? (Round to the nearest cent.)
$5.31
A city’s population is about 104,200 people. Over 10 years, the city’s population increases by about 81,000 people. What is the population of the city to the nearest one hundred thousand?
200,000 people
A bad growing season causes the price of a green pepper to increase from $1.30 per pound to $1.95 per pound. What is the percent increase?
50%
You are at a Canadian gas station where gas is measured in liters.
You want to put 10 gallons of gas in your car. How many liters should you pump into your tank? Round your answer to the nearest tenth.
(1 gal = 3.79 Liters )
37.9 Liters