Customary Conversions

Customary Conversions

Customary Lengths

• A foot is 12 inches, or about the length from your elbow to to wrist.

• A yard is 3 feet or about the length of your leg.

• A mile is 5,280 feet or about how far you can walk in 15 minutes

Multiple Select

Which would measure about 24 inches, or 2 feet?

• Height of a classroom.

• Width of a desk.

• Perimeter of a classroom.

• Height of a flagpole.

Multiple Select

Which would measure about 30 feet?

• Height of a classroom.

• Length of a classroom.

• Length of a cafeteria table.

• Width of a TV screen

How many feet are in a yard?

• How do you know?

• How can you solve for the missing value?

A table is another way to solve conversions.

• For every yard, there are 3 feet.

• If you follow the rule, how many feet are in 4 yards?

Multiple Choice

What is the rule for converting yards to feet?

• multiply by 3

• add 3

• divide by 3

• subtract 3

Multiple Choice

How many feet would be in 4 yards?

• 9

• 12

• 14

• 15

Capacity Units

• Common units include cups, pints, quarts, and gallons

• 1 cup is 8 fluid ounces

Multiple Choice

A drinking glass would hold

• 10 ounces

• 10 cups

• 10 quarts

• 10 gallons

Converting Capacity Measures

• What operation is used when converting from a bigger unit to a smaller unit, like gallons to quarts?

  
  

• What operation is used when converting from a smaller unit to a bigger unit like cups to pints?

Multiple Choice

A kitchen sink would hold

• 8 ounces

• 8 cups

• 8 quarts

• 8 gallons

Converting Units

If you know the number of pounds, multiply by 16 to convert to ounces.

If you know the number of ounces, divide by 16 to convert to pounds.

Fill in the Blank

Use the rule to determine how many ounces are in 5 pounds.

Multiple Select

Check the correct conversions.

• 2 tons = 4,000 lbs.

• 10 lbs. = 160 oz.

• 4 lbs. = 48 oz.

• 6 lbs. = 88 oz.

• 3 tons = 6,000 lbs.