Ratios and Proportional Relationships
The ratio of cats to dogs in a pet shop is 3 to 2. If there are 6 cats, how many dogs are there?
What is 4 dogs?
What is the product of -4 and -6?
What is 24?
Simplify the expression:
3x+5x
What is 8x?
What is the formula for the area of a circle?
What is A=π r2?
What is the mean (average) of the numbers 4, 8, and 12?
What is 8?
If 5 pencils cost $3, how much do 10 pencils cost?
What is $6?
A submarine is at -250 feet below sea level. It ascends 90 feet. What is its new depth?
What is -160 feet?
Solve for x:
x+7=12
What is x=5?
A rectangle has a length of 8 cm and a width of 5 cm. What is its area?
What is 40 cm²?
What is the median of the data set: 5, 12, 9, 3, 7?
What is 7?
A car travels 180 miles in 3 hours. What is the unit rate of miles per hour?
What is 60 miles per hour?
You owe your friend $45. You make payments of $9 each week. After how many weeks will your debt be paid off?
What is 5 weeks?
Solve for x:
5x-2=3x+6
What is x=4?
A circle has a radius of 7 cm. What is its circumference? (Use π≈3.14)
What is approximately 43.96 cm?
What is the mode of the data set: 2, 7, 4, 2, 9, 2, 4?
What is 2?
A store is having a sale where 3 shirts cost $45. If you have $120, how many shirts can you buy?
What is 8 shirts?
A temperature of -4°F increases by 15°F. Then it decreases by 10°F. What is the final temperature?
What is 1°F?
Solve for x:
2(x-4)=12
What is x=10?
What is the volume of a rectangular prism with length 6 cm, width 4 cm, and height 3 cm?
What is 72 cm³?
A spinner has 8 equal sections numbered 1 to 8. What is the probability of spinning a number greater than 5?
What is 3/8?
A company’s profit is directly proportional to the number of products sold. If selling 250 products earns a profit of $1,500, how many products need to be sold to earn $2,400?
What is 400 products?
A diver descends at a rate of 2.5 feet per second. How deep is the diver after 12 seconds?
What is -30 feet?
You are buying notebooks that cost $3 each and a one-time fee of $5 for shipping. Write an equation to represent the total cost C for buying n notebooks.
What is C=3n+5?
The base of a triangle is 12 cm and the height is 5 cm. What is its area?
What is 30 cm²?
A bag contains 7 red marbles, 9 blue marbles, 8 yellow marbles, and 3 green marbles. What is the probability of randomly drawing a yellow marble?
What is 8/27?