Proportional Relationships: Equivalent Ratios

What is an equivalent ratio?

• Two or more ratios with the same values

• Two or more ratios that have different values

• Two or more ratios that equal 1

• Two or more ratios that have a denominator of 1

The common factor we can use to simplify the ratio above to its simplest form is

• 3

• 4

• 6

• 7

Are these ratios equivalent?

2:3 and 8:12

• Yes

• No

Which of the following are equivalent to 5:4

• 25:20

• 10:12

• 15:12

• 10:8

Select ALL the ratios that are equivalent to 16 : 6

• 3 to 8

• 32 : 12

• 4 to 2

• 8 to 3

Find the constant of proportionality on this table of values.

• k=3

• k=1

• k=0

• k=4

How do we calculate equivalent ratios?

• Adding

• Subtracting

• Multiplying

• Dividing

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5

• 1:3

• 3:11

• 3:10

Is the relationship proportional or non-proportional?

• Proportional

• Non-Proportional

Is this relationship proportional or non-proportional?

Joey started mowing yards this summer. He charges $10 for every yard he mows.

• Proportional

• Non-Proportional