[ppt]customary units of measurement - mrs. hopson's...
TRANSCRIPT
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Customary and Metric Units of Measurement
• Customary units of measure are the units of measure that are used only in the United States.
• Customary Measurements• Units of Length.• Units of Weight.• Units of Capacity.• Units of Time.
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The Units of Capacity
• Capacity:
It is the amount a container can hold. Within the customary system, the common units for measuring capacity are fluid ounces, cups, pints, quarts, and gallons.
Examples: A standard cup of coffee. A can of coke is 12 fluid ounces. A gallon of milk.
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Fluid Ounce (fl.oz.)
One fluid ounce is equal to 2 tablespoons.1 fl oz = 2 tbsp.
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Gallon
A customary unit of capacity. One gallon is equal to 4 quarts.
1 gal = 4 qt
+ + +
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Quart (qt.)
One quart is equal to 2 pints.1 qt = 2 pt
1tall glass of lemonade = 1 pint
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Pint (pt.)
One pint ( approx. a tall glass of lemonade) is equal to 2 cups.
1 pt. = 2 cups
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Tablespoon (tbsp)
One tablespoon is 3 teaspoon.1 tbsp. = 3 tsp.
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Three teaspoon is one tablespoon.3 tsp = 1 tbsp.
Teaspoon (tsp.)
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Units of Length.• Length : It is a measure of the length of
an object. The common units for measuring lenght in the customary system are inches, feet, yards, and miles.
Examples: A ruler is a foot. There are 12 inches in a foot. A football field is measured in yards. The distance from here to Flagstaff is measured in miles.
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Inches
• There are 12 inches in a foot.• 12 in. = 1 foot.
• 1 ruler = 12 inches/1 foot
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Yards
• There are 3 feet in a yard.• 3 ft. = 1 yd.
• 36 in. = 1 yd.• Football/soccer fields are measured in yards.
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Miles
• There are 1,760 yards in a mile• 1,760 yd. = 1 mi.
• The distance from here to Flagstaff is measured in miles.
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Units of Weight.• Weight :
It is a measure of the heaviness of an object. The common units for measuring weight in the customary system are ounces, pounds, and tons.Examples: A loaf of bread is a pound. A compact car weighs a ton.
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Pound (lb.)
A pound is equal to 16 ounces.1 lb. = 16 ounces.
1 pound of bread = One 16 ounce Jelly jar.
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Ounce (oz.):
16 ounce is one pound .16 (oz.) = 1 lb.
16 ounce jar = 1 pound cake
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Ton (T) :
One ton is equal to 2000 pounds. 1 T = 2000 lbs.
A compact car weighs one ton or 2000 pounds.
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Metric Units of measurement • The metric units of
measurements are used anywhere outside of the United States – elsewhere in the world.
• The three basic units of the metric system are :– Gram – measures weight– Meter – measures length.– Liter – measures capacity.
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Metric Units of Capacity
Gram (g): Measures weight 1000 grams is equal to 1 kilogram.
1000g = 1 kg.
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Kilogram (kg.)
One Kilogram is equal to 1000 grams. 1 kg = 1000 g
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Milliliter (mL)
1000 milliliters is equal to 1 Liter. 1000mL = 1 L
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Liter (L)
One liter is equal to 1000 milliliters. 1 L = 1000 ml
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Metric units of Length
Millimeter (mm. ) 1000 millimeters is equal to 1 meter.
1000 mm = 1 m.
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Centimeter (cm.)
100 centimeters is equal to 1meter. 100 cm. = 1 m
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Decimeter (dm.)
1 decimeter is equal to 10 centimeters. 1 dm. = 10 cm.
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Meter (m)
A metric unit of length
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Kilometer(km.)
One kilometer equals 1000 meters. 1 km. = 1000 m.
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The Units of Time
The common units for measuring time in the customary system are seconds, minutes, hours, days, weeks, month, and years.
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DAY
One day is equal to 24 hours . 1 day = 24 hrs
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Hour (hr.)
One hour is equal to 60 minutes. 1 hr. = 60 min.
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Minute(min) :
One minute is equal to 60 seconds. 1 min = 60 sec.
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Second(sec):
One second is equal to one sixtieth of a minute. 1 sec = 1/60 min.
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Week
One week equals seven days.1 week = 7 days
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Month :
One month is one of the 12 parts into which a year is divided.
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Year:
1 year equals 365 days or 52 weeks or 12 months.
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Leap year
A unit of time equal to 366 days.
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Decade :
A unit of time equals 10 years.1 decade = 10 years
1968 1978 1988 1998 2008
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Measure of Time
Digital Clock : Shows time with number. Hours are
separated by a colon.
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Analog Clock :
Shows time by pointing to numbers on a face
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Elapsed time :
The amount of time between the beginning of an event or the end of an event.
A music lesson started at 9:30 a.m and ended at 10 :25 a.m What is the elapsed time?
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Units of Temperature
Degrees of Fahrenheit (F): A standard unit of temperature.
Degrees of Celsius (C) : A metric unit of temperature.