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English and Metric Units

English and Metric Units. 8/7/12 Objective: TLW: Distinguish between English Customary and Metric measurement units; convert measurement units; compare measurement units. Guided Questions. What is the difference between the English measurement system and the metric system?

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English and Metric Units

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  1. English and Metric Units 8/7/12 Objective: TLW: Distinguish between English Customary and Metric measurement units; convert measurement units; compare measurement units

  2. Guided Questions • What is the difference between the English measurement system and the metric system? • How do you determine the unit to use for measuring a particular value?

  3. English System The English system has several standard units to measure distance, volume, and weight. DistanceVolumeWeight Inch (in) Teaspoon (tsp or t) Ounce (oz) Foot (ft) Tablespoon (tbsp or T) Pound (lb) Yard (yd) Ounce (oz) Ton (T) Cup (c) Pint (pt) Quart (qt) Gallon (gal)

  4. Distance Measurements 1 ft = 12 in 1 yd = 3 ft 1 statute mi = 5280 ft 1 nautical mi = 6079 ft

  5. Volume Measurements • 1 tbsp = 3 tsp • 1 oz = 2 tbsp • 1 pt = 16 oz = 2 c • 1 gal = 4 qt = 8 pt

  6. Weight Measurements • 1 lb = 16 oz • 1 short ton = 2000 lb • 1 long ton = 2240 lb

  7. The Metric System Unlike the English system, the metric system only has one standard unit for each form of measurement. • The basic unit of distance in the metric system is the meter (m), which is • slightly more than a yard (approximately 39.37 inches). • The basic unit of volume is a liter (l), which is slightly more than a quart • The basic unit of mass (comparable to what is used in the English system as a • measure of weight) is the gram (g). A gram is the approximate mass (or weight) • of a paper clip. --------●-------●-------●------●--------●--------●----------●-----------●---------●--------●-------●--------●-------●------ Prefix:MegaKiloHectoDeca UNIT DeciCentiMilliMicro Abbrev: Mkh dc (m, l, g) d cm mc or µ Value:1,000,0001,000100 10 1 1/101/100 1/1,0001/1,000,000

  8. Compare using <, >, or =. 56 cm 6 m 7 g 698 mg Metric Conversion Practice Try these conversions using the ladder method. 1000 mg = _______ g 1 L = _______ mL 160 cm = _______ mm 14 km = _______ m 109 g = _______ kg 250 m = _______ km

  9. Metric Conversion Challenge Write the correct abbreviation for each metric unit. 1) Kilogram _____ 4) Milliliter _____ 7) Kilometer _____ 2) Meter _____ 5) Millimeter _____ 8) Centimeter _____ 3) Gram _____ 6) Liter _____ 9) Milligram _____ Try these conversions, using the ladder method. 10) 2000 mg = _______ g 15) 5 L = _______ mL 20) 16 cm = _______ mm 11) 104 km = _______ m 16) 198 g = _______ kg 21) 2500 m = _______ km 12) 480 cm = _____ m 17) 75 mL = _____ L 22) 65 g = _____ mg 13) 5.6 kg = _____ g 18) 50 cm = _____ m 23) 6.3 cm = _____ mm 14) 8 mm = _____ cm 19) 5.6 m = _____ cm 24) 120 mg = _____ g

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