Junior High School Mathematics, Book 1Heath, 1921 - Mathematics |
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acre amount due arc degrees average bisect bisector borrowed bought bushel butter fat coal common fraction compasses Construct cubic foot decimal place decimal point diagonals diameter discount Divide dozen Draw a segment Draw the altitude drill equal Example feet figure Find the area Find the cost Find the interest finding the base following numbers formula gallon geometry gross profit hypotenuse improper fraction increase isosceles trapezoid length Liberty Bond list price marked marked price measure miles months Multiply the numbers number decreased number of days numbers of Row parallelogram parallelopiped percentage perpendicular place a point pound print or write protractor pupils quotient rate per cent received rectangle represent right angle right triangle saved by buying scale drawing selling price sides sold Solution square inches subtract Test tracing paper trapezoid triangle ABC vertex vertical weight wide zoid
Popular passages
Page 222 - ... cubic feet (a pile 4 ft. high, 4 ft. wide, and 8 ft. long) = 1 cord Liquid Measures 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts — 1 gallon (gal.) It has been customary to consider 31 J gallons the contents of a barrel (bbl.) and 63 gallons the contents of a hogshead. In practice, .however, barrels are of various sizes ; thus the standard gasoline barrel contains 56 gallons. A liquid quart contains 57| cubic inches ; a liquid gallon 231 cubic inches. Dry Measures (Used in measuring...
Page 221 - 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 221 - MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.). 9 square feet = 1 square yard (sq. yd.).
Page 222 - AVoIRDUPOIS WEIGHT 16 ounces (oz.) = 1 pound (Ib.). 100 pounds = 1 hundredweight (cwt.). 20 hundredweight = 1 ton (T.).
Page 223 - English Money 4 farthings (far.) = 1 penny (d.) 12 pence = 1 shilling (s.) 20 shillings = 1 pound or sovereign...
Page 105 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Page 222 - APOTHECARIES' WEIGHT. 20 grains (gr.) = 1 scruple (3). 3 scruples = 1 dram (3). 8 drams = 1 ounce ( 5 ). 12 ounces = 1 pound (ft).
Page 222 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk...
Page 17 - Both terms of a fraction may be multiplied by the same number without changing the value of the fraction.
Page 157 - In arithmetic we learned that the area of a triangle is one half the product of the base and the altitude, or height.