Ratios
Unit Rate
Proportional or Not?
Solving Proportions
Word Problems
100

Write 6 cats to 8 dogs as a ratio in 3 ways.

6/8, 6 to 8, 6:8

100
If Mimi drives 50 miles in 2 hours, what is her rate (speed per hour)?
What is 25 miles per hour
100
2/3 and 4/6
Yes, proportional, 2 x 6 = 12, 3 x 4 = 12
100

Solve for x:  x/6 = 6/12

What is 3

100

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

What is $20

200
Write 10 limes to 6 lemons as a ratio in 3 ways.
10:6, 10/6, 10 to 6
200
If James types 120 words per 3 minutes, what is his rate of typing?
What is 40 words per minute
200
Are 1/6 and 2/7 proportional?
Not Proportional, 1 x 7 = 7 and 2 x 6 = 12
200

Solve for x. x/2 = 9/6

What is 3

200

Zoe gets 10 points in 4 games. How many does she get in 6 games?

What is 15 points

300
What are the 3 ways we write a ratio.
As a fraction, with a colon, and with the word "to"
300
If 10 bags of Hot Cheetos cost $3.50, then how much does 1 cost?
What is $0.35
300
Are 6/8 and 9/12 proportional?
Yes proportional, 6 x 12 = 72, and 9 x 8 = 72
300

Solve for x: 6/10 = 18/x

What is 30

300
Henry reads 8 pages in 6 minutes, then he reads 4 pages in how many minutes?
What is 3 minutes
400

Headmaster Howell studies 25 hours for 2 tests. If he studies 100 hours, how many tests would he take?

What is 8

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)
400
Are 5/10 and 4/8 proportional?
Yes proportional, 5 x 8 = 40, 10 x 4 = 40
400

Solve for x: x/6 = 6/9

What is 4

400

Mr. Moore texts 60 words in 4 minutes. If he texts 45 words, in how many minutes is that?

3 minutes

500

Your bridge model is built at 1/50 scale.
If the real bridge is 500 meters long, how long is your model?

What is 10

500

What is a unit rate?

a ratio where the bottom number is a 1

500
12/20 and 3/10
Not proportional, 12 x 10 = 120, 20 x 3 = 60
500
Solve for x. 3/8 = 15/x
What is 40.
500

A suspension bridge needs twice as many cables as towers, plus 4 extra.
If there are 6 towers, write and solve the equation for the number of cables.

C = 2T + 4