Rates Ratios and Proportions Study Guide

One snowy day, the snow was falling at a rate of 3 inches per hour.  If it kept snowing at the same rate, now many inches would accumulate in 2½ hours

• 7 ½  inches

• 6 ½ inches

• 5 ½ inches

Tags

CCSS.5.MD.B.2

Eric bought 4 pairs of sports socks for $9.  How many pairs of socks can he buy for $13.50?

• 8

• 7

• 6

• 5

Tags

CCSS.6.RP.A.3B

It takes a turtle 3 ¼ hours to walk 1 ½ miles. How many hours does it take to walk one mile?

• 6/13 hours

• 39/8 hours

• 13/6 hours

• 8/39 hours

Tags

CCSS.7.RP.A.1

Steve swam 20 laps in 35 minutes. Sue swam 27 laps in 48 minutes. Are these rates the same (proportional)?

• Yes, the rates are the same

• No, Steve's rates per hour is greater than Sue's

• No, Sue's rate per hour is greater than Steve's

• Ham sandwich

Tags

CCSS.6.RP.A.3B

Are the following ratios equivalent?  14/17 and 56/68

• yes

• no

• not sure

Tags

CCSS.6.RP.A.3A

Sasha can mow 3/8 of an acre of grass in 3/4 an hour. How many acres of grass does Sasha mow per hour?

• 2  ac./hr.

• 1/2  ac./hr.

• 9/24  ac./hr.

Tags

CCSS.7.RP.A.1

Your favorite restaurant sells 15 wings for $17.99. What is the cost per wing?

• $1.1

• $1.20

• $1.75

• $1.19

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If a snail can move 3/10 of a meter every 1/12 hour, what is the speed of the snail, in meters per hour?

• 1/40

• 5/18

• 1 1/2

• 3 3/5

Tags

CCSS.7.RP.A.1

Which is the better buy? A 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

• The 12-pack

• The 6-pack

• They're the same

• Neither, I prefer Coke

Tags

CCSS.6.RP.A.3B

You go to the grocery store to buy dog food. The store has three sizes available:
A 20-lb bag for $23.44
An 8-lb bag for $9.88
A 40-lb bag for $49.00
Which size bag has the lowest cost per pound rounded to the nearest cent?

• The 8-lb bag

• The 20-lb bag

• The 40-lb bag

• I have a cat

Tags

CCSS.6.RP.A.3B