What are Customary Units n Units of measurement

What are Customary Units n Units of measurement used only in USA and a small country in central Africa n Not based on units of 10 as the Metric System

Customary Units of Volume n Teaspoon n Tablespoon n Fluid ounce n Cup n Pint n Quart n Gallon

Mr. Gallon

Measuring spoons Fluid once = fl. Oz. n Tablespoon = T or Tbs n teaspoon = tsp n 1 fluid ounce = 2 T n 1 T = 2 tsp n Measuring spoons can be used to measure liquid or solids Example: 2 tsp of vanilla 1 tsp of salt n How many teaspoons in a fluid ounce? 2 x 2 = 4 tsp in 1 fl oz n

Measuring cup n 1 cup or c = 8 fl oz n 2 cups = 16 fl oz n 16 n 2 ounces = 1 pint cups = 1 pint

Blue milk carton: 1 cup n 8 ounces or oz n The kind you drink in school schoo n One pint of milk: 2 cups n 16 fluid ounces or oz n One quart of milk: 2 pints n 4 cups n 32 fluid ounces or oz n

Gallon of milk equals? n 4 quarts n 8 pints n 16 cups n 128 fluid ounces Solve these volume/capacity problems

1 liter = 34 US fluid ounces 2 liter soda: 2 x 34 = 68 fluid ounces

Customary Units of length From smallest to greatest length the measurements are: n Inches n. Feet n. Yards n. Miles n Solve these length problems

Customary Units of length Yard Standard in is the? ……………… 36 inches n How many inches in one yard? . . . . n 3 feet How many feet in a yard? . . . . 12 inches n How many inches in a foot? . . . . n 5280 feet How many feet in one mile? . . 1760 yards n How many yards in a mile? . . n

Customary Units of Weight pound or lb. unit is the……………… 16 ounces or oz. n One pound is ? . . . . 1 Ton n 2000 pounds = ? . . . . n Standard n Solve these problems

Temperature Customary Boiling Point o 212 Fahrenheit Celsius Freezing Point 32 Fahrenheit Metric Boiling Point o 100 o Freezing 0 Celsius o

Comparing Metric and Customary Units n 1 pound =. 45 kg or 450 gm n 1 yard =. 90 m or 90 cm n 1 cup = 250 ml n 1 pint = 500 ml n 1 quart = 1 L n 1 gallon = 4 L

Time 1 minute = 60 seconds n 60 minutes = 1 hour n 24 hours = 1 day n 365 days = 1 year n

What is Light year? n n n It is the distance light travels in one year So how far is that? Light travels: 186, 000 mi/sec 300, 000 km/sec

What is Light year? In 1 minute: 300, 000 x 60 = 18, 000 km 1. 8 x 107 km In 1 hour: 18, 000 x 60 = 1, 080, 000 km 1. 08 x 109 km In 1 day: 1, 080, 000 x 24 = 25, 920, 000 km 2. 592 x 1010 km In 1 year: 25, 920, 000 x 365 = 9, 460, 800, 000 km 9. 46 x 1012 km 9 quadrillion, 460 billion, 800 trillion km