Comparing Proportions

Who makes more per hour?

• Delaney

• Savannah

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Who rides more miles per hour?

• Walker

• Kam

Tags

CCSS.8.EE.B.5

Whose pool emptied faster?

• Rachel

• Isaac

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

How much faster, per hour, did their pool empty?

Tags

CCSS.8.EE.B.5

Two pet stores both sell canaries and parrots. The ratio of canaries to parrots for each store is shown in the double number lines. Are the ratios equivalent? Explain how you know.

Both double number lines have ​ (a)   parrots. If we look at the numbers with 18, pet store 1 has ​ (b)   canaries and pet store 2 has ​ (c)   canaries. These numbers are ​ (d)   . So the ratios are ​ (e)   .

• equivalent

• not equivalent

• 18

• 30

• the same

• 27

• 12

• 45

• different

• 20

Tags

CCSS.6.RP.A.1

Compare the ratios in the tables. Are they equivalent? Explain.

The ratio of peanuts to raisins in Sam’s trail mix is ​ (a)   the ratio of peanuts to raisins in Liam’s trail mix because 10/6 ​ (b)   9/6.

The ratios are ​ (c)  

• not equivalent.
• >
• <
• greater than
• less than
• equal to
• equivalent
• =

Tags

CCSS.6.RP.A.3A

Who spends more per day?

• Kameron

• Myriah

• They have spend the same amount each day.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

The graph shows the proportional relationship between the number of days Restaurant T is open and how many people they served.  The equation y=82x represents the relationship for Restaurant S.  Which restaurant served more people?

• Restaurant S

• Restaurant T

• They both served the same amount of people

Tags

CCSS.8.EE.B.5

• Store A

• Store B

• Store C

Tags

CCSS.8.EE.B.5

Are these two drinks going to taste the same? Select all that apply.

• yes, the constant of proportionality is 1.5

• no, they don't have the same constant of proportionality.

• yes, they're equivalent ratios.

• no, they the first one will taste stronger.

Tags

CCSS.6.RP.A.3A