The Werner Mental Arithmetic

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 miles an hour minutes months o'clock oranges paid pair past pencils pens piece principal pupils quarts quire receive Reduce remaining require rods roses Samuel sell shares sheep shoes slate sold spend spent square TABLE thirds tons twice unit walk watch weeks WEIGHT wide worth yards