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9 ft acres amount angle arithmetic average avoirdupois bales barrel bill blackboard bushel cancel cent coal commission common fraction compound numbers contains cotton cubic feet cubic inches dealer buys dealer pays decimal fraction decimal point Denominate numbers discount divide dividend divisible dollars dozen equals example Express factors farmer find the cost Find the number freight gain gallon greatest common divisor grocer gross horse hundred hundredths Illustrative problems improper fraction integer interest least common multiple length lowest terms marked price measure minuend mixed number multiply number is called ORAL EXERCISE ounce paper Paris green perimeter population potatoes pound prime numbers pupils quart quire quotient ratio rectangle Reduce sides sold subtract tons triangle unit fraction United week wide worth write WRITTEN EXERCISE Find
Page 265 - 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.
Page 266 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Page 273 - Multiplication is the process of taking one number as many times as there are units in another.
Page 91 - 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 32 - A number is divisible by 3 if the sum of its digits is divisible by 3.
Page 107 - Multiply as in whole numbers, and point off as many decimal places in the product as there are decimal places in the multiplicand and multiplier, supplying the deficiency, if any, by prefixing ciphers.
Page 92 - Apothecaries' weight, used by physicians and druggists in prescriptions. Its importance is too slight to justify teaching, although it is here inserted for those who may care to use it. 20 grains (gr.) = 1 scruple (sc. or 9). 3 scruples = 1 dram (dr. or 3)8 drams = 1 ounce (oz. or § ). 12 ounces = 1 pound (lb.).
Page 266 - TABLE. 20 Grains (gr.} = 1 Scruple, . . sc., or 3. 3 Scruples = 1 Dram, . . dr., or 3 . 8 Drams = 1 Ounce, . . oz., or § . 12 Ounces = 1 Pound, . . Ib., or ft,.