298 ARITHMETIC 



MEASURES OF LENGTH 



10 millimeters (mm.) = 1 centimeter cm. 



10 centimeters =1 decimeter dm. 



10 decimeters =1 meter m. 



10 meters = 1 decameter Dm. 



10 decameters =1 hectometer Hm. 



10 hectometers =1 kilometer Km. 



MEASURES OF SURFACE (NOT LAND) 



100 square millimeters 



(sq. mm.) =1 square centimeter . . .sq. cm. 



100 square centimeters =1 square decimeter sq. dm. 



100 square decimeters =1 square meter sq. m. 



MEASURES OF VOLUME 



1,000 cubic millimeters 



(cu. mm.) =1 cubic centimeter . . . .cu. cm. 



1,000 cubic centimeters =1 cubic decimeter cu. dm. 



1,000 cubic decimeters =1 cubic meter cu. m. 



MEASURES OF CAPACITY 



10 millimeters (ml.) =1 centileter cl. 



10 centileters =1 decileter dl. 



10 decileters =1 liter. 1. 



10 liters =1 decaliter Dl. 



10 decaliters =1 hectoliter -. . .HI. 



10 hectoliters =1 kiloliter Kl, 



The liter is equal to the volume occupied by 1 cu. dm. 



MEASURES OF WEIGHT 



10 milligrams (mg.) =1 centigram eg. 



10 centigrams. =1 decigram dg. 



10 decigrams =1 gram g. 



10 grams =1 decagram Dg. 



10 decagrams =1 hectogram Hg. 



10 hectograms =1 kilogram Kg. 



1,000 kilograms . = 1 ton T. 



The gram is the weight of 1 cu. cm. of pure distilled water 

 at a temperature of 39.2 F.; the kilogram is the weight of 1 

 liter of water; the ton is the weight of 1 cu. m. of water. 



