Rational Numbers
What is 98.3 x 2.1?
206.43
Mr. Hobratschk burned 90 calories after running 18 miles.
How many calories would he burn if he ran 6 miles?
30 calories
A bag contains flavored jolly ranchers. A jolly rancher will be randomly selected from the bag.
17 jolly ranchers are grape flavored
8 jolly ranchers are cherry flavored
14 jolly ranchers are watermelon flavored
16 jolly ranchers are blue raspberry flavored
What is the probability that the selected jolly rancher will be cherry or watermelon? (or means to add)
0.4 or 4/10 or 2/5
On Mr. Ramos' book shelf he has:
6 mystery books
5 science books
4 history books
3 adventure books
Mr. Ramos will randomly choose 1 book to read. What is the probability that he will choose an adventure book?
1/6
A tent is in the shape of a square pyramid. The side length of the tent's base is 7 feet, and the height of the the tent is 6.6 feet.
What is the volume of the tent in cubic feet?
107.8 cubic feet
What is 11.21 x -5.1?
-57.171
Takis costs $4.25 per bag. Which equation best represents y, the total cost of x bags of takis?
y = 4.25x
Coach Carter has 5 pink pairs of shoes, 1 blue pair of shoes, and 4 purple pairs of shoes. She will randomly choose 1 pair of shoes from her closet.
What is the probability Coach Carter will choose a purple pair of shoes?
2/5
Ms. Bush has two bags of marbles. The first bag contains 6 red marbles, 5 blue marbles, and 4 green marbles. The second bag contains 3 red marbles, 2 blue marbles, and 4 green marbles. Ms. Bush will select 1 marble from each bag.
What is the probability that Ms. Bush will select a blue marble from each bag?
2/27
A rectangular pyramid has rectangular base. The length is 8 feet, the width is 4 feet. The height of the pyramid is 6 feet.
What is the volume of the rectangular pyramid?
64 cubic feet
2/3 x 6/7
4/7
Ms. Christopher started a coin collection. Her dad gave her 75 coins. Each month he will add 20 coins to the collection.
Write an equation that can be used to find y, the total number of coins in Ms. Christopher's collection after x months.
y = 20x + 75
A bag contains colored tiles.
3 tiles are red
6 tiles are green
3 tiles are blue
A tile will be randomly selected from the bag. What is the probability of selecting a green tile?
1/2 or 0.5
The population of a particular town increased from 20,000 to 21,400 over 10 years. What percent increase does this represent over the old population?
7%
The dimensions of rectangular prism are 1.5 feet by 3.5 feet by 2 feet. What is the volume of the rectangular prism in cubic feet?
10.5 cubic feet
The owner of an apple farm ships apples in boxes that weigh 5 pounds when empty. The average apple weighs 1/4 pounds, and the total weight of the box filled with apples is 26 pounds. How many apples are packed in each box?
84
Coach Bartel is buying shirts for boys athletics. He will pay $9.50 for each plus a one-time fee of $22.50 for the design.
Write an equation that can be used to find y, the total cost to buy x shirts.
y = 9.5x + 22.5
Ethan has four number cubes. The faces of each number cube are numbered from 1 to 6. Ethan will roll each number cube one time.
What is the probability that all four number cubes will land on an even number?
1/16
Mr. McDonald has a bag of coins. The bag contains 10 dimes, 5 nickels, and 1 penny. He will randomly select 2 coins from the bag one at a time without replacement. What is the probability that Mr. McDonald will select a dime first and then a penny?
1/24
A rectangular pyramid is 5 mm in length, 4 mm in width, and 6 mm in height. What is the volume of the pyramid in cubic millimeters?
40 cubic millimeters
Coach Bartel paid for 5 pallets of grass to be delivered.
Each pallet of grass cost $129.95.
Coach Bartel paid $76.20 for delivery.
What is his total amount paid?
$725.95
A student rode a bicycle fewer than 30 miles during a period of 5 days. The student rode 8 miles on Monday and m miles each day from Tuesday through Friday.
Write an inequality that represents all possible values of m?
8 + 4m < 30
A classroom is arranged with 8 seats in the front row, 10 seats in the middle row, and 12 seats in the back row. Ms. Mackey will randomly assign seats to students as they enter the classroom.
What is the probability that the first student who enters the classroom will be assigned a seat in the front row?
4/15
Ms. Ringer's favorite store is having a sale. All clothing is 40% off, and Ms. Ringer has a coupon for another $10 off her purchase (Note: the $10 discount must be applied before the 40% off). She buys a sweater for $65.00. How much does Ms. Ringer pay for the sweater after the discounts?
$33
A gift box in the shape of a rectangular prism has a volume of 384 cubic inches. The base of the box is a rectangle with an area of 64 inches.
What is the height of the gift box in inches?
6 inches