Ratio Rates and Proportional Reasoning

If I have the following ratio, do I need to scale up or down?
1                 2
---  =         ----
3               ?

• up (multiply)

• down (divide)

Is the following ratio part to part or part to whole?
5 out of 23 kids in a class play trumpet

• Part to part

• Part to whole

If there are 5 soccer players, 10 baseball players, and 15 basketball players, what is the ratio of baseball players to soccer players?

• to 2

• to 3

• to 1

• to 1

If the rangers won 100 games and lost 60, what is the simplified ratio of wins to losses?

• 10 to 6

• 5 to 3

• 6 to 10

• 3 to 5

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes

• 9 minutes

• 16 minutes

• 18 minutes

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5

• 5 to 3

• 3 to 5

• 5 to 2

Jenny has 3 guitars. Steve has 4 guitars. If the ratio of guitars is 4:3, who is first in the ratio?

• Jenny

• Steve

• It doesn't matter

• Les Paul

Name the percent equivalent to ³/₄?

• 45 %

• 35 %

• 75 %

• 10 %

A class has 30 students. 18 are boys. What is the ratio of boys to girls?

• 12:18

• 3:2

• 30:18

• 18:7

Simplify the ratio of
17 to 18

• 7 to 8

• 1 to 7

• 1 to 8

• Already Simplified