A Mental Arithmetic: Based on Analysis and InductionAmerican Book Company, 1896 - 140 σελίδες |
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Σελίδα 2
... give the pupil that power of analysis which is neither furnished by a course in Written Arithmetic nor acquired by the study of Algebra , and yet is essential to the easy mastery of mathematics . A mistake is sometimes made in regarding ...
... give the pupil that power of analysis which is neither furnished by a course in Written Arithmetic nor acquired by the study of Algebra , and yet is essential to the easy mastery of mathematics . A mistake is sometimes made in regarding ...
Σελίδα 4
... , when all the members of the class , or nearly all , have acquired the result , the teacher may designate some one to give the result and solve the problem . MENTAL ARITHMETIC . I. ELEMENTARY RESULTS . I. ELEMENTARY SUMS 4 INTRODUCTION .
... , when all the members of the class , or nearly all , have acquired the result , the teacher may designate some one to give the result and solve the problem . MENTAL ARITHMETIC . I. ELEMENTARY RESULTS . I. ELEMENTARY SUMS 4 INTRODUCTION .
Σελίδα 28
... gives a product of 16 less than 100 ? 22. B bought 150 dollars ' worth of coal , at 5 dollars a ton , and sold it at 4 dollars a ton ; how much did he lose ? 23. The product of three numbers is 105 ; what is the third number if the ...
... gives a product of 16 less than 100 ? 22. B bought 150 dollars ' worth of coal , at 5 dollars a ton , and sold it at 4 dollars a ton ; how much did he lose ? 23. The product of three numbers is 105 ; what is the third number if the ...
Σελίδα 32
... give your grocer a dollar - bill in payment , how should he count the change due you ? Answer . Giving me the sugar , he should count that at 11 X 6 cts . , which are 66 cents ; and then hand me in succession 4 cents , a 5 - cent piece ...
... give your grocer a dollar - bill in payment , how should he count the change due you ? Answer . Giving me the sugar , he should count that at 11 X 6 cts . , which are 66 cents ; and then hand me in succession 4 cents , a 5 - cent piece ...
Σελίδα 37
... give to May ? 10. There are 30 days in a month ; how many days in 1 third of a month ? 11. What are 2 thirds of 12 ? SOLUTION . - 1 third of 12 is 4 ; and 2 thirds of 12 are 2 times 4 , which are 8 . Of 18 ? Of 24 ? Of 60 ? Of 72 ? Of ...
... give to May ? 10. There are 30 days in a month ; how many days in 1 third of a month ? 11. What are 2 thirds of 12 ? SOLUTION . - 1 third of 12 is 4 ; and 2 thirds of 12 are 2 times 4 , which are 8 . Of 18 ? Of 24 ? Of 60 ? Of 72 ? Of ...
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A Mental Arithmetic: Based on Analysis and Induction (Classic Reprint) George Washington Hull Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
A Mental Arithmetic: Based on Analysis and Induction George Washington Hull Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2019 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 dollars 15 cents 40 cents 50 cents 60 days acres acres of land amount apples barrel bought a number boys bushels carriage cents a dozen cents a pound cents a yard cents apiece coal cost commission contained cows cubic decagram decimeter discount Divide dollars a head dollars apiece drover earn farmer bought farmer sold feet gain per cent gained 25 gallons hectoliter hectometer hence improper fractions kilogram least common denominator least common multiple less loss per cent lowest terms M's money marbles marked price melons cost meter miles an hour minus mixed number multiplied myriameter number of sheep oranges cost ounces paid pennyweights piece pound cost pounds of sugar received Reduce to improper remainder for cost remaining required the cost required the number rods selling price shares sheep cost SOLUTION.-If square sum of money tons Troy Weight watch weeks
Δημοφιλή αποσπάσματα
Σελίδα 69 - Thirty days hath September, April, June, and November— All the rest have thirty-one, Excepting February alone, Which has but twenty-eight in fine, Till Leap Year gives it twenty-nine.
Σελίδα 66 - 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. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 68 - Measure. 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 (yr.) 366 days 1 leap year Years divisible by 4 and not by 100 are leap years.
Σελίδα 66 - 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...
Σελίδα 65 - Measure is used in measuring lines or distances. TABLE. 12 inches (in.) = 1 foot (ft.). 3 feet = 1 yard (yd.). 5J yards, or 16| feet — 1 rod (rd.).
Σελίδα 68 - Dry Measure 2 pints (pt.) =1 quart (qt.) 8 quarts = 1 peck (pk.) 4 pecks = 1 bushel (bu.) 2150.42 cu.
Σελίδα 67 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints — 1 quart (qt...
Σελίδα 30 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 101 - The square root of a number is one of its two equal factors.
Σελίδα 13 - Multiplication is the process of taking one number as many times as there are units in another.