Ratios & Equivalent Ratios

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

Fill in the blank

100

There are 7 roses and 8 sunflowers in the garden.Ratio of roses to sunflowers is _____________

What is 7:8

200

There are 19 girls and 14 boys in the bus. Ratio of girls to total number of members in the bus is _____________

What is 19:33

300

There are 12 comic books and 5 novels in the shelf.Ratio of comic books to total books in the shelf is _____________

What is 12:17

400

There is 200 dogs and 500 cats at the shelter.The ratio of dogs to the total of animals is _______

What is 200:700

500

There are 1,278 Butterfly's and 7,245 flies at the natural resource center. The ratio of flies to the total of insects is ________

What is 7,245:8,523

Equivalent Ratios

100

Are 2/3 and 4/6 equivalent?

Yes, equivalent, 2 x 2 = 4, 3 x 2 = 6

200

Are 1/6 and 2/7 proportional?

Not Equivalent 

300

Are 4/7 and 36/63 equivalent?

Yes equivalent, 4 x 9 = 36, and 7 x 9 = 63 

400

Are 14/15 and 42/45 equivalent?

Yes equivalent, 14 x 3 = 42, 15 x 3 = 45

500

The definition of equivalent ratios 

Two ratios that express the same relationship between numbers

Word Problems

100

Dale's town voted on a new law. There were 26 votes in favor of the law and 24 votes against the law. What is the ratio of the number of votes in favor of the law to the number of votes against the law? (simplify) 

26 to 24 simplifies to  13 to 12

200

There are 13 students sitting on the bleachers and 18 students sitting on the floor. What is the ratio of the number of students sitting on the bleachers to the number of students sitting on the floor?

What is 13:18

300

There are 3 gold coins and 40 silver coins in Jason's coin collection. What is the ratio of the number of silver coins to the total number of coins?

What is 40:43

400

There are 21 pink beads and 14 purple beads on Whitney's necklace. What is the ratio of the number of purple beads to the number of pink beads? (Simplify)

14:21 simplifies to 2:3

500

Jacob is selling T-shirts he orders 3 smalls and 4 larges. how many small shirts will he have if he orders 16 large shirts. 

12 small shirts 

Word Problems

100

Anna earns $12 in 3 hours. How much does she make in 1 hour?

What is $4

200

Ramon gets 10 points in 4 games. How many does he get in 8 games?

What is 20 points

300

Henry reads 8 pages in 6 minutes, then he reads 40 pages in how many minutes?

What is 30 minutes

400

Julia texts 60 words in 4 minutes, Tristan text 75 words per 5 minutes, who text the fastest per minute?

Neither, They both text at the same rate.

500

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

What is 8 tests.