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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 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 & 1 km = 0.621 miles =
Lecture Part B. (Just watch and think) An airplane has a speed of 600 miles per hour.How fast is this inmiles per minute?
10 miles/min is the same speed as 600 miles/hour =
Wait a tick… Why does this method work? =
x ÷ x = ? ? =
x ÷ x = ? 1 =
This method works because when you multiply by 1 you do not change the value of the quantity. 1 =
1a. The piece of paper on your desk is 81/2 inches by 11 inches. In centimeters, how wide is the page?
The piece of paper is 21.6 cm wide. = 21.6 cm
What is the width of the page,in feet? What should we start with: 8.50 inches, or 21.6 cm?
1 foot = 12 inches = ft
1 foot = 12 inches = ft
The page is 0.708 feet long = 0.708 ft