What are Customary Units

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What are Customary Units

• Units of measurement used only in USA and a small
  country in central Africa
• Not based on units of 10 as the Metric System

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Customary Units of Volume

• Teaspoon
• Tablespoon
• Fluid ounce
• Cup
• Pint
• Quart
• Gallon

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Mr. Gallon
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• Measuring spoons
• Fluid once fl. Oz.
• Tablespoon T or Tbs
• teaspoon tsp
• 1 fluid ounce 2 T
• 1 T 2 tsp
• Measuring spoons can be used to measure liquid or
  solids
• Example 2 tsp of vanilla
• 1 tsp of salt
• How many teaspoons in a fluid ounce?
• 2 x 2 4 tsp in 1 fl oz

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• Measuring cup
• 1 cup or c 8 fl oz
• 2 cups 16 fl oz
• 16 ounces 1 pint
• 2 cups 1 pint

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• Blue milk carton
• 1 cup
• 8 ounces or oz
• The kind you drink in school
• One pint of milk
• 2 cups
• 16 fluid ounces or oz
• One quart of milk
• 2 pints
• 4 cups
• 32 fluid ounces or oz

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• Gallon of milk equals?
• 4 quarts
• 8 pints
• 16 cups
• 128 fluid ounces

Solve these volume/capacity problems
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1 liter 34 US fluid ounces

• 2 liter soda 2 x 34 68 fluid ounces

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Customary Units of length

• From smallest to greatest length
• the measurements are
• Inches
• Feet
• Yards
• Miles
• Solve these length problems

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Customary Units of length
Yard

• Standard in is the?
• How many inches in one yard?.................
• How many feet in a yard?................
• How many inches in a foot?.................
• How many feet in one mile?...................
• How many yards in a mile?...................

36 inches
3 feet
12 inches
5280 feet
1760 yards
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Customary Units of Weight
pound or lb.

• Standard unit is the
• One pound is ?............................
• 2000 pounds ?...............
• Solve these problems

16 ounces or oz.
1 Ton
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Temperature

• Customary

• Metric

• Boiling Point
  Boiling Point
• 212 Fahrenheit
  100 Celsius
  
• Freezing Point
  Freezing Point
  
• 32 Fahrenheit
  0 Celsius

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Comparing Metric and Customary Units

• 1 pound .45 kg or 450 gm
• 1 yard .90 m or 90 cm
• 1 cup 250 ml
• 1 pint 500 ml
• 1 quart 1 L
• 1 gallon 4 L

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Time

• 1 minute 60 seconds
• 60 minutes 1 hour
• 24 hours 1 day
• 365 days 1 year

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What is Light year?

• It is the distance light travels in one year
• So how far is that?
• Light travels
• 186,000 mi/sec
• 300,000 km/sec

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What is Light year?

• In 1minute 300,000 x 60 18,000,000 km
• 1.8 x 10 km
• In 1 hour 18,000,000 x 60 1,080,000,000 km
• 1.08 x 10 km
• In 1 day 1,080,000,000 x 24 25,920,000,000 km
• 2.592 x 10 km
• In 1 year 25,920,000,000 x 365
  9,460,800,000,000 km
• 9.46 x 10 km
• 9 quadrillion, 460 billion, 800
  trillion km

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