## The Werner Mental Arithmetic |

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15 cents 60 cents acres amount apiece apples barrel bought boys earn bushels cents a dozen cents a pound cloth coal commission common denominator contained corn cost cow cost cubic difference discount divided dollars dozen ducks earn eggs equals farmer feet flour FRACTIONS gain gallons gathered gave George girls give Harry hence Henry hens horse inches increased interest James John length less lost marbles Mary measuring merchant midnight miles an hour minutes months noon o'clock oranges paid pair past pencils pens piece principal pupils quarts receive Reduce remaining require rods Samuel sell shares sheep shoes slate sold spend spent square sugar TABLE thirds tons twice unit walk watch weeks WEIGHT worth yards

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Page 96 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...

Page 132 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.

Page 92 - CUBIC MEASURE 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...

Page 91 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.

Page 95 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.

Page 95 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...

Page 39 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.

Page 89 - Scale: 4 farthings (far.) = 1 penny (d.); 12 pence = 1 shilling (s.) ; 20 shillings — 1 pound (£). 156.

Page 94 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES

Page 77 - If 16 men finish a piece of work in 28J days, how long will it take 12 men to do the same work...