A Practical ArithmeticC. Scribner's Sons, 1909 - 386 σελίδες |
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Αποτελέσματα 1 - 5 από τα 33.
Σελίδα 40
... gain when tubercles were present ? 20. A good clay soil contains 12,760 lbs . of potash , a good sandy soil 4840 lbs . of potash , to the acre , in a layer one foot deep . How much more potash is there in clay soil than in sandy soil ...
... gain when tubercles were present ? 20. A good clay soil contains 12,760 lbs . of potash , a good sandy soil 4840 lbs . of potash , to the acre , in a layer one foot deep . How much more potash is there in clay soil than in sandy soil ...
Σελίδα 50
... 438 . 24 . 7654 by 47 . 37 . 8756 by 65 . 12. 8254 by 576 . 25 . 8765 by 59 . 38 . 9522 by 76 . 13. 7826 by 86 . 26 . 3528 by 463 . 39 . 7543 by 57 . The pupil may use the following problems sufficiently to gain 50 PRACTICAL ARITHMETIC.
... 438 . 24 . 7654 by 47 . 37 . 8756 by 65 . 12. 8254 by 576 . 25 . 8765 by 59 . 38 . 9522 by 76 . 13. 7826 by 86 . 26 . 3528 by 463 . 39 . 7543 by 57 . The pupil may use the following problems sufficiently to gain 50 PRACTICAL ARITHMETIC.
Σελίδα 51
... gain skill in multiplying . 40-55 . Multiply the number at small a in the diagram by each number in the larger circle . 56-296 . Multiply each other number in the smaller circle by each number in the larger circle . NOTE . The teacher ...
... gain skill in multiplying . 40-55 . Multiply the number at small a in the diagram by each number in the larger circle . 56-296 . Multiply each other number in the smaller circle by each number in the larger circle . NOTE . The teacher ...
Σελίδα 54
... gain by spraying 8 acres of melons ? 15. If unsprayed grape - vines yield 1 lb. for each vine , and sprayed vines yield 4 lbs . each , what is the gain by spraying an acre which yields 376 lbs . when not sprayed ? 16. If spraying ...
... gain by spraying 8 acres of melons ? 15. If unsprayed grape - vines yield 1 lb. for each vine , and sprayed vines yield 4 lbs . each , what is the gain by spraying an acre which yields 376 lbs . when not sprayed ? 16. If spraying ...
Σελίδα 56
... gain or lose ? 28. A common house - fly lays her eggs in broods of about 120 each . At this rate , how many flies may be expected from 29 overwintering flies during the first warm days of spring ? 29. Mosquitoes lay eggs in masses of ...
... gain or lose ? 28. A common house - fly lays her eggs in broods of about 120 each . At this rate , how many flies may be expected from 29 overwintering flies during the first warm days of spring ? 29. Mosquitoes lay eggs in masses of ...
Περιεχόμενα
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Άλλες εκδόσεις - Προβολή όλων
PRAC ARITHMETIC Frank Lincoln 1871-1934 Stevens,Adeline T. Chapman B. 1867 Stevens,Tait Butler Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
acre amount apples average barrel base Bordeaux mixture bushel butter fat called carbohydrates cent ciphers circumference clover common fractions contains corn stover cost cotton cotton-seed meal Cow-peas crop cubic foot cubic inches decimal point degrees diameter digestible discount Divide divisor dollars equal EXERCISE expressed factor farm feeding feet fertilizer figure Find the product foot gain gallon gals grain grams hundred hundredths improper fraction increase interest on $1 kainit MEASURE miles minuend mixed number months multiply nitrate of soda nitrogen number in column oats ORAL ounces phosphoric acid plant potash potatoes pound problem profit protein quarts quotient ration Reduce remainder root round steak seed sells silage silo spraying square Subtract tens timothy hay tons tree units weighs wheat wide worth WRITTEN Find yards yield
Δημοφιλή αποσπάσματα
Σελίδα 371 - 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.
Σελίδα 375 - TIME 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...
Σελίδα 160 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 86 - A number is divisible by 3 if the sum of its digits is divisible by 3• A number is divisible by 9 if the sum of its digits is divisible by 9.
Σελίδα 102 - When a decimal number is to be divided by 10, 100, 1000, &c., remove the decimal point as many places to the left as there are ciphers in the divisor, and if there be not figures enough in the number, prefix ciphers.
Σελίδα 158 - 1 Square Chain . sq. ch. 10 Square Chains " 1 Acre A. 640 Acres " 1 Square Mile . . sq. mi. 36 Square Miles (6 miles square)
Σελίδα 374 - Weight is used by apothecaries and physicians in compounding dry medicines. 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,.
Σελίδα 97 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Σελίδα 60 - To divide by 10, 100, &c., is simply cutting off as many figures from the right of the dividend as there are ciphers in the divisor.
Σελίδα 374 - APOTHECARIES' FLUID MEASURE 60 minims (lt\,) = 1 fluid dram (f 3) 8 fluid drams = 1 fluid ounce (f 3 ) 16 fluid ounces = 1 pint (O) 8 pints = 1 gallon (cong...