Show:
Ratios
Unit Rate
Proportional or Not?
Solving Proportions
Word Problems
100
Write 6 girls to 8 boys 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

Are 2/3 and 4/6 proportional (equal)?

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

100
Solve for x. x/6 = 6/9
What is 4
100
Anna 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 (equal)?

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

200
Solve for x. x/2 = 9/6
What is 3
200
Ramon gets 10 points in 4 games. How many does he 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 (equal)?

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

300
Solve for x. x/6 = 8/12
What is 4
300
Henry reads 8 pages in 6 minutes, then he reads 4 pages in how many minutes?
What is 3 minutes
400
A comparison between two numbers is called a______
ratio
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 (equal)?

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

400
Solve for x. 6/10 = 18/x
What is 30
400
Julia texts 60 words in 4 minutes, then she texts 45 words in how many minutes?
What is 3 minutes
500

Miscellaneous Question: What famous scientist/mathematician has a birthday on March 14 (Pi Day)

Albert Einstein

500
What is a unit rate?
a ratio where the bottom number is a 1
500

Are 12/20 and 3/10 proportional (equal)?

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

500
Solve for x. 3/8 = 15/x
What is 40.
500
Ms. Curtis students 25 hours for 2 tests, and studies 100 hours for how many tests?
What is 8 tests.