Ratios
Unit Rate
Better Buy
Word Problems
Test Your Luck
100

What are the three different ways to write a ratio?

#:#, # to #, #/#

100

If Mimi drives 50 miles in 2 hours, what is her rate (speed per hour)?

25 miles per hour

100
Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts?
8 t-shirts for $24 (each shirt costs $3)
100
Anna earns $12 in 3 hours. How much does she make in 5 hours?
She makes $4 per hour ------> $20 in 5 hours
100

Pick a number 1-10

8

200

If there are 7 boys and 10 girls in a classroom, what is the ratio of boys to girls? Write the ratio in 3 different ways

7:10, 7 to 10, 7/10

200

If James types 120 words per 3 minutes, what is his rate of typing?

40 words per minute

200
Which is the better buy: one slice of pizza for $3.75 OR 8 slices of pizza for $18.00?
8 slices of pizza for $18 (each slice costs $2.25)
200
Ramon scored 20 points in 4 games. How many points did he score per game?
5 points per game
200

Pick a month of the year

May

300

If 20 people like Coke and 15 people like Pepsi, what is the ratio of people who like Pepsi to people who like Coke. SIMPLIFY YOUR ANSWER!

15:20 ---SIMPLIFIED---> 3:4

300

What is a unit rate?

A rate where the bottom number is 1

300

Which is the better buy: 8 mints for $1.84 or 13 mints for $3.00?

8 mints because $.23 per mint is lower than $.25 per mint

300
If Henry reads 8 pages in 6 minutes, then how many pages does he read in 60 minutes?
80 pages
300

Pick a gem ---> Sapphire or Ruby?

Sapphire

400

If the ratio of girls to boys in a classroom is 3:5 and there are 15 boys in the classroom, how many girls are in the classroom?

There are 9 girls

400

If you can jump 24 times in 6 minutes, how many jumps can you do in 2 minutes?

4 jumps per 1 minute ------> 8 jumps in 2 minutes

400
Which is the best buy: 14 cans for $4.48 at Walmart, 6 cans for $1.74 at Kmart, or 15 cans for $4.65 at Target?
6 cans at Kmart because each can is $.29 (Walmart = $.32 per can and Target = $.31 per can)
400
If Julia texts 60 words in 4 minutes, then how many minutes does it take her to text 180 words?
12 minutes
400

Pick a letter of the alphabet

A, G, P, W, or Z

500

Fill in the Ratio Table:
 2:3
 4:6
 6:9
 __:12 

8: 12

500

If you can drive 320 miles on 16 gallons of gas, how many miles you can drive on 5 gallons?

100 miles per 5 gallons

500
Which gives you better gas mileage? Prius: 720 miles on 15 gallons of gas OR Yaris: 752 miles on 16 gallons?
Prius because 48 miles per gallon is more than 47 miles per gallon.
500

If it takes Amy 15 hours to study for 2 tests, how many tests can she study for in 45 hours?

6 tests

500

Rock, Paper, or Scissors?

paper

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