New Mental Arithmetic |
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9 ft acres altitude amount base Blood heat board feet board foot bushel cent commission cone convex surface cord feet cube cubic feet cubic foot cylinder decimal point denominator deposits diameter discount divided dividend computed Draw Find the area Find the circumference Find the cost Find the interest Find the volume floor fourth fraction gallon half inches improper fraction inch-cubes inches long joists layer length letter weighing long hand long ton measuring meridian miles minutes think rapidly mixed number multiplied number of square ounces parallelogram parcel sent past the hour payment piece a foot pile 4 ft postage Postal Savings System pound principal proceeds pyramid quarter quarts ratio rectangle right angle room 15 ft rows scale sell slant height sold square feet square mile square rods square yards steak strips township trapezoid triangle wall paper whole number wide width
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Page viii - 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 x - Time. 60 seconds (S.) make 1 minute, marked M. 60 minutes, 1 hour, h. 24 hours, 1 day, d. 7 days, . 1 week, w. 4 weeks, 1 month, mo. 13 months, 1 day and 6 hours, 1 Julian year, yr. Thirty days hath September, April, June and November ; February twenty-eight alone, all the rest have thirtyone.
Page ix - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Page 135 - Measures 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal.) 1 gallon =231 cu.
Page ix - 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 159 - Blood heat is the temperature of the interior of the human body in health. The temperature of a fever patient went up to 103°. How much higher than the usual temperature was that? 6. On a certain night the outdoor temperature went down to 18° below 0. How many degrees below freezing point was that? 7. The average January temperature in the coldest part of Siberia is 60° below 0. In Manila it is 80° above 0. How great is the difference? 8. Is this difference greater or less than the difference...
Page x - CIRCULAR MEASURE 60 seconds = 1 minute 60 minutes = 1 degree (°) 360 degrees = 1 circumference 1 degree of longitude at the equator = 60 geographical miles, or about 69 i common miles.
Page x - Number. 12 units — 1 dozen (doz.). 12 dozen = 1 gross (gro.). 12 gross =• 1 great gross. 20 units — 1 score.
Page ix - Measure 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart 2 pints = 1 quart (qt.) 8 quarts = 1 peck (pk.) 4 quarts = 1 gallon (gal.) 4 pecks = 1 bushel (bu.) 1 gallon...
Page 96 - MEASURES 12 inches (in.) = 1 foot (ft.) 3 feet = 1 yard (yd.) 5\ yards (16» ft.)= 1 rod (rd.) 320 rods = 1 mile (mi.) 5280 feet = 1 mile 204.