## The Practical Arithmetic: Oral and Written |

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acres amount angles answer approximate base bill boards bought bushel called cent Change circle commission common Compare contained corn cost cover cube cubic decimal denominator diameter difference discount Divide dividend divisor dollars equal Estimate example excess EXPLANATION Express facts feet figure Find the sum five foot four fraction gain give given grain half Hence hundred hundredths inches integral interest length less means measurement meters method miles months Multiply nine NOTE Observe obtained OPERATION paid piece of land pound prime factors problem prove pupil quotient ratio received Reduce regarded represented rods root rule selling side sold solid square subtract surface Take tenths third thousand tons triangle units usually wall weight wide worth yards

### Popular passages

Page 180 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...

Page 173 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...

Page 190 - OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams = 1 dekagram (Dg...

Page 157 - 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 187 - MEASURE. 10 millimeters (mm.) = 1 centimeter (cm.) 10 centimeters = 1 decimeter (dm.) 10 decimeters = 1 meter (m.) 10 meters = 1 dekameter (Dm.) 10 dekameters = 1 hektometer (Hm.) 10 Hektometers = 1 kilometer (Km.) 10 kilometers = 1 myriameter (Mm.) 1 meter = 39.37 inches.

Page 89 - Multiplying or dividing both terms of a fraction by the same number does not change the value of the fraction.

Page 205 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.

Page 187 - Pupils must learn to think of quantity in metric units. 319. All units in the metric system of measures and weights are derived from the primary unit known as the meter. When the length of the primary unit of this system was determined it was supposed to be one ten-millionth of the distance from the equator to the pole. A pendulum that vibrates seconds is nearly one meter long.* In the names of the derived units of this system the prefix deka means 10; hekto means 100; kilo means 1000; myria means...

Page 135 - Six months after date for value received I promise to pay to the order of Merchants...

Page 190 - MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram eg. 10 centigrams =1 decigram dg. 10 decigrams =1 gram g. 10 grams =1 decagram Dg. 10 decagrams =1 hectogram Hg. 10 hectograms = 1 kilogram Kg.