Ratios & Rates
In a math class, 8 students wear glasses and 12 do not wear glasses. What is the SIMPLIFIED RATIO of the students in glasses to the entire class?
2 : 5
110 is 50% of what number?
220
2/5 divided by 1/4 =
1 6/10
OR
1 3/5
OR
1.6
Find the GCF of 14 and 20.
2
If h represents a child's height, what inequality would show that you have to be taller than 55 inches to ride a carnival ride?
h > 55
OR
55 < h
John can design 4 Lego sets in 15 minutes. At that rate, how many Lego sets can he design in 2 hours?
32 Lego sets in 2 hours
Which is the better buy?
A 5 oz bag of chocolate almonds for $4.98
OR
A 12 oz bag of chocolate almonds for $11.49?
A 12 oz bag of chocolate almonds for $11.49
Lanie spent $42.16 on four sandwiches. If each sandwich costs the same amount, how much does one sandwich cost?
$10.54
Find the LCM of 12 and 16.
48
- 1 1/3 lies between which two whole numbers?
-1 and -2
Paul earns $65 mowing different lawns over 5 days. How much money would he earn in 7 days if he earned the same amount every day?
$91
40% of the students in a class like cereal for breakfast. If 8 students like cereal, how many students are in the class?
20 students are in the class
What is 3625 divided by 14.5?
250
A train and a bus arrive on Main Street at 9:00am. After that a train arrives every 30 minutes, and a bus arrives every 18 minutes.
At what time will both the train and a bus arrive on Main Street?
10:30am
The ordered pair ( 9, -6 ) sits in which quadrant?
Quadrant IV
A hippopotamus eats about 120 kilograms of food every 3 days.
How many kilograms of food would they eat in 12 days?
480 kilograms of food in 12 days
What is 75% of 320?
240
Diva wants to make a flower arrangement for her aunt's birthday. 12 of the flowers will be roses and the rest will be tulips. If she wants 1/3 of the total flowers to be roses, how many tulips should she buy?
Remember to calculate the total number of flowers in the arrangement before determining the number of tulips.
24 tulips
Boxes that are 11 inches tall are being stacked next to boxes that are 14 inches tall. What will be the height of the stacks when they are the same size for the first time?
154 inches tall
True or False:
-5 < -6
False!
For every 2 strawberries in a bowl, there are 5 grapes. If there are 16 strawberries in the bowl, how many pieces of fruit are there in all?
Andrew has a baseball card collection. He keeps 10 of the cards in his wallet, which is only 5% of his collection. What is the total number of cards in Andrew's collection?
200 cards
Tara's car has 7 1/2 gallons of gas in it. Tara's car uses 5/8 of a gallon of gas to get to work.
How many round trips to work and home can she make?
12 total trips which equals 6 round trips
What is the GCF of 70, 85 and 100?
5
What is the distance between the points (4, -12) and (4, 7)?
19 units