Applied 20S January 14, 2009
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Applied 20S January 14, 2009

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Unit conversions within and across the imperial and metric systems. Introduction to area.

Unit conversions within and across the imperial and metric systems. Introduction to area.

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  • 1. Converting Measurements tape measures by flickr user jek in the box
  • 2. Which units of measurement would you use to measure the length or height of each item? IMPERIAL METRIC cm m inches feet yards miles km km miles cm inches diameter length height m yards thickness inches mm miles
  • 3. Which units of measurement would you use to measure: IMPERIAL METRIC inches feet yards miles cm m mm km m miles km yards height length m yards feet height yards m feet cm inches width
  • 4. A plank measures 6 feet. How many inches does it measure? WATCH YOUR UNITS
  • 5. Imperial Measurements and Conversions IMPERIAL IMPERIAL to METRIC 1 foot = 12 inches 1 inch = 2.54 centimeters 1 mile = 1.6 kilometers 1 yard = 3 feet Indicate the measurements 1 mile = 1760 yards using an arrow 2 3/32 inches 5/16 inch 3 7/8 inches 2 5/8 inch 1 1/4 inches 4 1/16 inches 4 3/16 inches
  • 6. Perform the indicated operations: (a) 76 mm + 12 cm (b) (5 yds 1 ft) x (2 yds 2 ft) (d) 2.5 feet to the nearest inch (c) 24m - 870 cm - 4350 mm
  • 7. (b) (5 yds 1 ft) x (2 yds 2 ft)
  • 8. Before performing calculations that involve two different length units, convert either one of the units or both so that the units are the same. (Most often use the smaller units.) IMPERIAL 1 foot = 12 inches Perform the following calculations: 1 yard = 3 feet 3 mi - 250 ft = ___________________ 1 mile = 1760 yards 12 mm x 4.3 cm = ___________________
  • 9. Before performing calculations that involve two different length units, convert either one of the units or both so that the units are the same. (Most often use the smaller units.) A roll of fencing is 90 m long and someone buys 536 cm. How much is left on the roll?
  • 10. Before performing calculations that involve two different length units, convert either one of the units or both so that the units are the same. (Most often use the smaller units.) Perform the following calculations: 2 m + 75 cm = ___________________ 3 ft 2 in + 7 ft 11 in = ___________________
  • 11. Conversion Tables Similar comparisons can be made. The following conversion table includes those conversions that are the most widely used. 1 inch = 2.54 cm 1 mm= 0.04quot; 1 foot = 30.48 cm 1 cm = 0.39quot; 1 yard = 0.914 m 1 m = 39.37quot; = 3.28' 1 mile = 1.61 km 1 m = 1.09 yd 1 km = 0.621 mi