 3.05 Unit rates

Interactive practice questions

Tricia reads $20$20 pages of her book in $2$2 hours.

Which of the following is the unit rate of pages per hour?

$10$10 pages/hr

A

$2$2 pages/hr

B

$20:2$20:2

C

$10:1$10:1

D

$10$10 pages/hr

A

$2$2 pages/hr

B

$20:2$20:2

C

$10:1$10:1

D
Easy
Less than a minute

A car travels $320$320 km in $4$4 hours.

A tap fills up a $240$240 liter tub in $4$4 hours.

A toy manufacturer makes $720$720 toys in $9$9 hours.

Outcomes

6.RP.A.2

Understand the concept of a unit rate a/b associated with a ratio a:b with b ≠ 0, and use rate language in the context of a ratio relationship. "Expectations for unit rates in this grade are limited to non-complex fractions.

6.RP.A.3

Use ratio and rate reasoning to solve real-world and mathematical problems, e.g. By reasoning about tables of equivalent ratios, tape diagrams, double number line diagrams, or equations.

6.RP.A.3b

Solve unit rate problems including those involving unit pricing and constant speed.