Ratios Big Idea

Choose ALL of the ratios that are equivalent to 2:1.

• 2/4

• 4/2

• 6:2

• 8 to 4

• 120 to 60

You are downloading songs to your tablet. The ratio of rap songs to R&B songs is 7 to 4. You download 49 rap songs. How many R&B songs do you download?

• 28

• 7

• 4

• 11

What is the ratio of potatoes to vegetables?

• 3/8

• 3:5

• 8 to 3

• 5 to 3

Determine if the following ratios are equivalent.

3:4 and 9:12

• Yes

• No

Which statement is true about the table ?

• The ratio of flutes to saxophones is 13 to 27 

• The ratio of trumpets to all instruments is 9:59

• The number of trumpets to flutes is 27:9

• The number of Drums to total instruments is 10/49

Determine if the following ratios are equivalent.

5/3 and 15/12

• Yes

• No

How do you know that these ratios are equivalent?

• They are both proper fractions.

• They both are divided by 6.

• They are NOT equivalent.

• The numerator and denominator are multiplied by the same number making them equivalent.

What number would correctly fill in the ratio to make it equivalent?

3:9 and 6: __

• 12

• 9

• 18

• 24

The tape diagram represents the ratio of the times you spend tutoring to the time your friend spends tutoring. You tutor for 3 hours. How many hours does your friend spend tutoring?

• 3

• 4

• 12

• 16

You and your friend tutor for 18 hours. If the ratio of hours tutored by you to your friend is 2:4, how many hours do you tutor?

• 6

• 3

• 9

• 18