Ratio and Rates

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Ratios can be represented as... (Select ALL answers that apply!)

• A/B

• A to B

• A : B

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

At a bus station, busses depart at a rate of 3 every 10 minutes. At this rate, how many busses would depart in one hour?

• 3 busses

• 10 busses

• 13 busses

• 18 busses

Match the following terms to their definition.

• The relationship between 2 quantities.

  a:b

  a to b

  a/b

• Ratio

• The relationship between 2 quantities that have different units of measure.

• Unit rate

• A rate that has a number related to 1.

• Rate

Israel and Daniel are both swimming laps in the same swimming pool. Israel can swim 4 laps in 6 minutes. Daniel can swim 6 laps in 12 minutes. Based on these rates, which statement is NOT true?

• Daniel can swim more laps than Israel

• Daniel can swim 3 laps in 6 minutes.

• Israel can swim 2 laps in 3 minutes.

• Israel can swim more laps than Daniel

A comparison between two quantities with different units of measure

Answer: ​ (a)  

• proportion

• rate

• ratio

• scale factor

• unit rate

There are 4 triangles, 12 squares, and 6 circles.  What is the ratio of triangles to squares? Simplify.

• 12 : 4

• 2 to 6

• 1 : 3

Which one is a real life example of a RATIO?

• 12 noodles

• 4 meatballs : 1 cup of sauce

• 1 jar of sauce

• 15 desserts