

Measurement 

You also need to be able to use them as easily as you use the multiplication tables. 
Standard
Measurement 

Linear 
Weight 
8 ounces (oz) = 1 cup 2 cups = 1 pint (pt) 2 pints = 1 quart (qt) 4 quarts = 1 gallon (gal) 
12
inches (in) = 1 foot (ft)
36 inches (in) = 1 yard (yd) 3 feet (ft) = 1 yard 5280 feet (ft) = 1 mile (m) 
16 ounces (oz) = 1 pound (lb) 2000 pounds = 1 ton (T.) 

Many things that you purchase today are identified by both standard measurement and the metric system. Think of the 1 liter coke. 
Metric
Units 
Length 
Weight 
Capacity 
1
kilometer ( km) = 1000 meters (m) 1 hectometer (hm) = 100 meters (m) 1 decameter (dm) = 10 meters 1 decimeter (dkm) = .1 meter 1 centimeter (cm) = .01 meter 1 millimeter (mm) = .001 meter 
1
gram (g) = 1000 milligram 1 milligram (mg) = .001 gram 
1
kiloliter (kl) = 1000 liter 1 hectoliter (hl) = 100 liter 1 decaliter (dkl) = 10 liter 1 Liter (l) = 1 liter 1 deciliter (dl) = .1 liter 1 centiliter (cl) = .01 liter 

