Matho: Rate and Unit Rate

Heart rate is measured in beats per minute (bpm).

What is the rate of change?

• 100 bpm

• 75 bpm

• 2 minutes 150 heart beats.

• 20 bpm

Marty read that the average length of a certain whale is 110 feet. About how many meters long is the whale? (1 foot is about 0.3 meters.)

• 367

• 330

• 37

• 33

Marie has a recipe that calls for 2¼ cups of flour for 3 dozen cookies. How much flour would she need to make 60 cookies?

• 4

• 3¾

• 3½

• 3¼

A plane trip from Niagara Falls to Grove Hills is a distance of 360 miles and takes 3 hours. At this rate, how many miles will the plane travel in 11 hours

• 840

• 1320

• 1680

• 2520

Leo orders 6 bags of gravel for $252. How much is 8 bags of gravel?

• $336

• $378

• $420

• $504

Brittney bought 13 peaches for $8.84. How much was each peach?

• .68 cent
• .71 cent
• .65 cent
• .74 cent

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

What number is missing?

• 12
• 3
• 11
• 13

Rose spent $2.00 for 20 pieces of gum. Joe spent $1.50 for 10 pieces of gum. Who got the better deal?

• Joe
• Rose
• Mrs. Hoyme
• William

Goldfish crackers $1.99 for 7.2 oz. 
or
Cheez-its $2.70 for 13.7 oz.
Find the unit price of each and choose the better deal.

• Goldfish
• Cheez-its