Show:
Ratios
Multiplicative vs. Additive
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

goes through the origin

Multiplicative

100

2/3 and 4/6

Yes, proportional

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

y = x + a, represents what type of relationship?

Additive

200

Are 1/6 and 2/7 proportional?

Not Proportional

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.

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

300

What equation represents a Multiplicative relationship?

y=ax 

300

Are 6/8 and 9/12 proportional?

Yes proportional

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 quantities is called a______.

ratio

400

What relationship does not go through the origin?

Additive

400

Are 5/10 and 4/8 proportional?

Yes proportional

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

What are the 2 ways to write an equivalent ratio?

A) Adding       B) Subtracting

C) Multiplying     D) Dividing

 C and D 

500

y = 1/2x represents what type of relationship?

multiplicative

500

12/20 and 3/10

Not proportional

500
Solve for x. 3/8 = 15/x
What is 40.
500

On a shelf, the ratio of science books to math books is 4:3. There is a total of 63 books on the shelf.  How many math books are on the shelf?

27