Ratios 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

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

4

200

Solve for x. x/2 = 9/6

3

300

Solve for x. x/6 = 8/12

4

400

Solve for x. 6/10 = 18/x

30

500

Solve for x. 3/8 = 15/x

40

Word Problems

100

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

$20

200

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

15 points

300

Henry reads 8 pages in 6 minutes, then he reads 4 pages in how many minutes?

3 minutes

400

Julia texts 60 words in 4 minutes, then she texts 45 words in how many minutes?

3 minutes

500

Ms. Curtis students 25 hours for 2 tests, and studies 100 hours for how many tests?

8 tests.