alg lesson 8
Post on 03-Aug-2015
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Lesson 8Obj: Students will learn to convert a variety of units.
Abbreviations
Customary
in Inches oz Ounces
ft Feet pt Pints
yd Yards gal Gallons
mi Miles lb Pounds
Metric
mm Millimeters mL milliliters
cm Centimeters L Liters
m Meters g grams
km Kilometers kg Kilograms
Cheat Way
Big to Small = Times X
Small to Big = Divide
Big to Small = XSmall to Big =
72 in = ___ft 2 tons = _____lbs
12in = 1 ft 2000lbs = 1 ton
Small to Big = Big to Small = x
4 qt = ____pts 15840ft = ____mi
2pts = 1 qt 5280 ft = 1 mi
Big to Small = X Small to Big =
300 cm = _____m 5 kg = _____g
100 cm = 1 m 1 kg = 1000g
Small to Big = Big to Small = X
My Turn
A cheetah named Bronson ran at a rate of 105,600 yards per hour. How fast did Bronson the cheetah run in miles per hour?
105600 yd = ___________mi Small to big so ÷
1760 yd = 1 mi
Still my turn
An elephant can charge at speeds of about 25 miles per hour. How fast can the elephant Sarah was riding charge in feet per hour?
25mi = ____ft big to small, so X
5280 ft = 1 mi
Your Turn
Alyssa’s mourning dove can reach speeds up to 35mph. How fast is this in feet per hour?
35mi = ______ft
5280 ft = 1 mi
Again
Grayson’s interior wall measures 4.5 yd by 3.25 yd. What is the size of the wall in square feet?
14.624 sq yds = _______sq ft
3ft = 1yd
9 sqft = 3 sqyd
And again
Andie has a small bag containing 50 cubic centimeters of potting soil. Her planter has a volume of 46,300 cubic mm. Does Della have enough soil to fill the planter?
50 ?=? 46,300
1cm = 10mm
1= 1000
again
Johnathan just returned from London. He has 16 British pounds to convert to American dollars. If the exchange rate is 1pd = $2.016, what is the value of Johnathan’s 16 pounds in U.S. dollars?
16lbs = _______$
another
Colby’s gym measures 8.5m by 14m. He bought mats to cover the floor. Each mat is 110 . If 95 mats were purchased, are there enough mats to cover the floor?
L X W 8.5 X 14 = 119 square meters
1m = 100cm 1 = 100,000
Last one
Sadie is filling up her swimming pool. The hose used to fill up the pool has a flow rate of 41,472. The volume of the pool is 1,104 . How many hours will it take Sadie to fill up the pool?
41472
1ft = 12 in 1 = 1728
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