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Converting Units

Converting Units. Likely the most useful thing you will learn all year. Lecture Part A. ( Just watch and think ) A sign along the road in Canada says “100 kilometers/hour.” What is this in miles per hour?. =. =. =. =. 1.61 km = 1 mile & 1 km = 0.621 miles. =. 1.61 km = 1 mile &

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Converting Units

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  1. Converting Units Likely the most useful thing you will learn all year.

  2. Lecture Part A. (Just watch and think)A sign along the road in Canada says “100 kilometers/hour.” What is this in miles per hour?

  3. =

  4. =

  5. =

  6. =

  7. 1.61 km = 1 mile & 1 km = 0.621 miles =

  8. 1.61 km = 1 mile & 1 km = 0.621 miles =

  9. =

  10. Lecture Part B. (Just watch and think) An airplane has a speed of 600 miles per hour.How fast is this inmiles per minute?

  11. =

  12. =

  13. =

  14. =

  15. 1 hour = 60 minutes =

  16. 1 hour = 60 minutes =

  17. 10 miles/min is the same speed as 600 miles/hour =

  18. Wait a tick… Why does this method work? =

  19. x ÷ x = ?

  20. x ÷ x = ? ? =

  21. x ÷ x = ? 1 =

  22. This method works because when you multiply by 1 you do not change the value of the quantity. 1 =

  23. 1a. The piece of paper on your desk is 81/2 inches by 11 inches. In centimeters, how wide is the page?

  24. = cm

  25. = cm

  26. = cm

  27. How many centimeters equals how many inches? = cm

  28. 2.54 centimeters = 1 inch = cm

  29. 2.54 centimeters = 1 inch = cm

  30. The piece of paper is 21.6 cm wide. = 21.6 cm

  31. 1b. What is the width of the page, in feet?

  32. What is the width of the page,in feet? What should we start with: 8.50 inches, or 21.6 cm?

  33. = ft

  34. = ft

  35. = ft

  36. How many feet equals how many inches? = ft

  37. 1 foot = 12 inches = ft

  38. 1 foot = 12 inches = ft

  39. = ft

  40. The page is 0.708 feet long = 0.708 ft

  41. 2a. A football field is 100 yards.How many inches is this?

  42. = inches

  43. = inches

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