Introduction to Ratios and Rates

What is the ratio of TRIANGLES TO SQUARES?

• 2:1

• 3:0

• 1:3

• 1:2

Check all of the following that ARE examples of a ratio?

• 3:1

• 3 and 1

• 3 to 1

• (3, 1)

A ratio is a

• comparison of two quantitities

• a comparison of two quantities with units

• a comparison of two quantities with units when the quantity in the denominator is 1

• the number in front of the variable in an expression or equation

Match the following

• two equal RATIOS

• Proportion

• a comparison of TWO quantities

• Ratio

• a ratio with TWO DIFFERENT UNITS

• Rate

• a ratio with a quantity of ONE

• Unit Rate

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 240 students in the 6th grade with 12 teachers. For every 1 ​ (a)   , there are 20 ​ (b)   . For every 1 ​ (c)   , there are 0.05 ​ (d)   .

• teacher

• students

• teachers

• student

Tags

6.RP.2

A comparison between two quantities with different units of measure

Answer: ​ (a)  

• proportion

• rate

• ratio

• scale factor

• unit rate

What is the most important thing you need to know about ratio and rate?

• The order of the numbers matters.

• The bigger number always go first

• You can't compare two different units.

• Unit rates are always ratios with the number "2" as the second number.

There are 240 students in the 6th grade with 12 teachers.

For every 1 ​ (a)   , there are 20 ​ (b)   .

For every 1 ​ (c)   , there are 0.05 ​ (d)   .

• teacher

• students

• teachers

• student

Tags

6.RP.2

​ (a)   a comparison of two quantities that uses division

• Ratio

• Rate

• Percent

• multiplicative reasoning

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Match the following terms to their definition.

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

• Ratio

• The relationship between 2 quantities.

  a:b

  a to b

  a/b

• Rate

• A rate that has a number related to 1.

• Unit rate