Converting Customary Units

When moving from a smaller unit to a larger unit...

• Add

• Subtract

• Multiply

• Divide

When moving from a larger unit to a smaller unit...

• Add

• Subtract

• Multiply

• Divide

If we go from a bigger unit to a smaller unit, we...

• Add

• Subtract

• Multiply

• Divide

What customary conversion fact will help you solve the problem?

• 1 pint = 2 cups

• 1 quart = 2 pints

• 1 gallon = 4 quarts

If we are moving from inches to feet, what operation will we use?

• Addition

• Subtraction

• Multiplication

• Division

Which fact is important to solve for converting inches to feet?

• 1 foot = 12 inches

• 1 yard = 3 feet

• 1 mile = 5280 feet

Are we moving from big units to small units or small units to big units if we are converting 1 week into minutes? And will we multiply or divide?

• Big units --> Small units; Multiply

• Big units --> Small units; Divide

• Small units --> Big units; Multiply

• Small units --> Big units; Divide

There are three facts that will help you solve this problem of finding out how many minutes are in one week. They are:

• 60 seconds = 1 minute

  60 minutes = 1 hour

  24 hours = 1 day

• 60 minutes = 1 hour

  24 hours = 1 day

  7 days = 1 week

• 24 hours = 1 day

  7 days = 1 week

  52 weeks = 1 year

When moving from a smaller unit to a larger unit...

• Add

• Subtract

• Multiply

• Divide

When moving from a larger unit to a smaller unit, you must...

• Add

• Subtract

• Multiply

• Divide