Length Conversion

Lesson 11-1

Convert Customary Units of Length 

LESSON OBJECTIVE

Convert customary units of length.

Open Ended

Brainstorm

What is length?

Discussion

• How can you measure the length of your math book? Your room?

• What tool would you use?

• What measurement unit would you use?

The customary system is the system of measurement primarily used in the United States. The metric system is the system of measurement primarily used in science and in countries outside of the United States.

What are the customary units of length? List them by order from smaller to larger.

How are they related? Describe the relation between them.

Open Ended

What are the customary units of length?

How are they related?

What are the customary units of length?

How are they related?

the chart shows equivalent measures.

Open Ended

How do you change from one unit of length to another?

What operations to use and when to use each?

How do you change from one unit of length to another?

• To change larger units to smaller units, multiply.

• To change smaller units to larger units, divide.

Multiple Choice

Convert 4 pints to quarts.
Remember:  2 Pints = 1 Quart

• 4 Pints = 1 Quart
• 4 Pints = 2 Quarts
• 4 Pints = 4 Quarts
• 4 Pints = 8 Quarts

Multiple Choice

How many quarts are in a gallon?

• 4
• 3
• 2
• 1

Multiple Choice

10 yards = _______ feet.

• 360

• 3.5

• 30

• 120

Multiple Choice

48 inches = _______ feet

• 16

• 1 1/2

• 4

• 144

Multiple Choice

_______ pints = 8 cups
Remember:  There are 2 cups in 1 Pint.

• 16
• 8
• 4
• 2

Multiple Choice

How many yards are in 168 feet?
Remember:  There are 3 feet in 1 yard.

• 65
• 21
• 82
• 56

Multiple Choice

What would I use to measure the capacity of a bath tub?

• Gallons
• Cups
• Fluid ounces
• Pints

Multiple Choice

Which is more 1/2 gallon or
9 cups?
1 Gallon = 4 Quarts
1 Quart = 2 Pints
1 Pint = 2 Cups

• 1/2 gallon
• 9 cups

Multiple Choice

Which is more 5 cups or 2 pints?
1 Gallon = 4 Quarts
1 Quart = 2 Pints
1 Pint = 2 Cups

• 5 cups
• 2 pints

Multiple Choice

Aiden's cat weighs 12 pounds.  How many ounces is that?
1 Pound = 16 ounces

• 72
• 24
• 182
• 192

Multiple Choice

Selena's favorite basketball player is 6 feet 8 inches tall.  How tall is Selena's favorite basketball player in inches?

• 68 inches
• 76 inches
• 80 inches
• 84 inches

Multiple Choice

Each Thanksgiving in Temple, there is a 5-mile road race.  How many feet are there in 5 miles?
1 Mile = 1,760 Yards
1 Yard = 3 Feet

• 4,400 feet
• 8,800 feet
• 17,600 feet
• 26,400 feet

Multiple Choice

An elevator has a weight limit of 1 ton.  
There are 3 people inside the elevator.  Each person weighs 150 pounds.  
How many more pounds can the elevator safely hold?
1 Ton = 2,000 pounds

• 1,850 pounds
• 1,550pounds
• 850 pounds
• 450 pounds

Multiple Choice

Ms. Decker needs to fill  three one-cup containers.
How many ounces is that?
1 Cup = 8 Ounces

• 48
• 16
• 12
• 24

Multiple Choice

Carter walked one mile.  
Emily walked further than Carter.  
How far could Emily have walked?
1 Mile = 1,760 Yards
1 Mile = 5,280 Feet

• 1,200 feet
• 500 yards
• 5,295 feet
• 1,700 yards

Multiple Choice

A truck is carrying 20,000 pounds of supplies.
How many tons of supplies is the truck carrying?
1 Ton = 2,000 Pounds

• 10 Tons
• 1 Ton
• 100 Tons
• 20 tons

Multiple Choice

Lola poured 18 cups of water into a large pot to cook pasta.
Ruth poured more water into her pot than Lola.
Which could be the amount of water Ruth poured?
1 Gallon = 4 Quarts
1 Quart = 2 Pints
1 Pint = 2 Cups
1 Cup = 8 Fluid Ounces

• 100 Fluid Ounces
• 8 Pints
• 5 Quarts
• 1 Gallon

Multiple Choice

Carmen's puppy weighs 9 pounds.
Her kitten weighs 74 ounces.
How many more ounces does her puppy weigh than her kitten?
1 Pound = 16 Ounces

• 16 ounces
• 70 ounces
• 38 ounces
• 144 ounces

Poll

How well do you understand the lesson?

• 😞 I don't get it!

  I don't understand at all & I am very confused!

• 🤔 I kind of get it!

  I am still a little confused!

  I need some help!

• 😉 I mostly get it!

  I need some more PRACTICE!

• 😍 I got it!

  I understand everything and I can explain it to others!