## The Public School Mental Arithmetic |

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acre altitude amount arithmetic base bicycle bill bought bushel carpet cent cloth common containing cost difference discounts distance divided dollar dozen earns entire equal example Express farm farmer feet field Find find the area Find the cost Find the number flour fraction gain give given grocer horse hour insured lady land length Lesson loss measure measuring unit merchant method miles multiply Name needed oblong ounces paid perimeter piece placed pounds quantity quarts question ratio received Reduce remainder respectively rods rolls selling price side sold square statements of balance Subtract third train triangle unit walk wall week weigh whole wide width worth yard

### Popular passages

Page 138 - Measure. 60 seconds (sec.) 1 minute (min.) 60 minutes 1 hour (hr.) 24 hours 1 day (da.) 7 days 1 week (wk.) 365 days 1 common year (yr.) 366 days 1 leap year Years divisible by 4 and not by 100 are leap years.

Page 136 - 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 137 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...

Page 138 - NUMBERS. 12 units = 1 dozen. 12 dozen = 1 gross. 12 gross = 1 great gross. 20 units = 1 score.

Page 137 - 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 135 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES

Page 135 - Scale: 4 farthings (far.) = 1 penny (d.); 12 pence = 1 shilling (s.) ; 20 shillings — 1 pound (£). 156.

Page 136 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.

Page 135 - AVoIRDUPOIS WEIGHT 16 ounces (oz.) = 1 pound (Ib.). 100 pounds = 1 hundredweight (cwt.). 20 hundredweight = 1 ton (T.).

Page 135 - MONEY 10 mills (m.) — 1 cent (ct. or f) 10 cents = 1 dime (d.) 10 dimes = 1 dollar 10 dollars = 1 eagle...