Ratios, Rates, and Unit Rates

Krystal is comparing two Internet service plans. Plan 1 costs $34.99 per month. Plan 2 costs $134.97 every 3 months.

How much will you save in one year by choosing plan 1?

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.3

Zack can read 180 pages of his summer reading book in 4 hours.

How many pages can Zack read in 5 hours?

Mathematical Equivalence

ON

Tags

CCSS.6.RP.A.3B

Nora and Eli are making homemade spring rolls for a party.

Nora can make 8 spring rolls in 10 minutes.

Eli can make 10 spring rolls in 12 minutes.

How many minutes faster can Eli make 40 spring rolls than Nora?

Mathematical Equivalence

ON

Tags

CCSS.6.RP.A.3B

A package of 5 pairs of insulated gloves costs $29.45.

What is the cost of a single pair of gloves?

Mathematical Equivalence

ON

Tags

CCSS.6.NS.B.3

A nursery owner buys 5 panes of glass to fix some damage to her greenhouse. The 5 panes cost $14.25. Unfortunately, she breaks 2 more panes while repairing the damage.

What is the cost of another 2 panes of glass?

Mathematical Equivalence

ON

Tags

CCSS.6.NS.B.3

An arts academy requires there to be 3 teachers for every 75 students and 6 tutors for every 72 students.

How many tutors does the academy need if it has 120 students?

Mathematical Equivalence

ON

Tags

CCSS.6.RP.A.3B

A contractor purchases 7 dozen pairs of padded work gloves for $103.32. What is the unit rate of cost per pair of gloves?

Mathematical Equivalence

ON

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

It cost Irene $19.25 to purchase 5 gallons of gas. At this price, how much would it cost Irene to fill her entire 18-gallon tank?

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.3

A recipe for a batch of mac-and-cheese calls for 6 ounces of cheese. A recipe that makes two pizzas needs 16 ounces of cheese. How much cheese is needed for (3) batches of mac-n-cheese and (5) pizzas?

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.3

Mathematical Equivalence

ON

Tags

CCSS.7.RP.A.1