Ratios, Unit Rate, and Proportions

Ratios

100

Write 6 girls to 8 boys as a ratio in 3 ways.

6/8, 6 to 8, 6:8

200

Write 10 limes to 6 lemons as a ratio in 3 ways.

10:6, 10/6, 10 to 6

300

What are the 3 ways we write a ratio.

As a fraction, with a colon, and with the word "to"

400

A comparison between two numbers is called a______

ratio

500

What are the 2 ways to write an equivalent ratio? A) Adding B) Subtracting C) Multiplying D) Dividing

What is C, D Multiplying and Dividing

Unit Rate

100

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

What is 25 miles per hour

200

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

What is 40 words per minute

300

If 10 bags of Hot Cheetos cost $3.50, then how much does 1 cost?

What is $0.35

400

Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts

What is $24 for 8 t-shirts (rate of $3 per shirt)

500

What is a unit rate?

a ratio where the bottom number is a 1

Proportional or Not?

100

2/3 and 4/6

Yes, proportional, 2 x 6 = 12, 3 x 4 = 12

200

Are 1/6 and 2/7 proportional?

Not Proportional, 1 x 7 = 7 and 2 x 6 = 12

300

Are 6/8 and 9/12 proportional?

Yes proportional, 6 x 12 = 72, and 9 x 8 = 72

400

Are 5/10 and 4/8 proportional?

Yes proportional, 5 x 8 = 40, 10 x 4 = 40

500

12/20 and 3/10

Not proportional, 12 x 10 = 120, 20 x 3 = 60

Solving Proportions

100

Solve for x. 

x/6 = 6/9

What is 4

200

Solve for x.

 x/2 = 9/6

What is 3

300

Solve for x. 

x/6 = 8/12

What is 4

400

Solve for x. 

6/10 = 18/x

What is 30

500

Solve for x. 

3/8 = 15/x

What is 40.

Word Problems

100

Anna earns $12 in 3 hours. How much does she make in 5 hours?

What is $20

200

Ramon gets 10 points in 4 games. How many does he get in 6 games?

What is 15 points

300

Henry reads 8 pages in 6 minutes.  If he reads 4 pages,  how many minutes does it take?

What is 3 minutes

400

Julia texts 60 words in 4 minutes.  How long does it take her to text 45 words?

What is 3 minutes

500

Ms. Curtis students study 25 hours for 2 tests.  How many tests do they study 100 hours for?

What is 8 tests.