Numbers, and how to Use Them: by the Natural Method: A Complete, Practical Arithmetic, for Self-help and for Schools Other Than the PrimaryJ.F. Brown, 1892 - 153 σελίδες |
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Σελίδα iii
... four important respects : First and foremost , numbers are treated as always abstract . There is nothing novel in this conception of number . Webster says number in mathematics is " that abstract species of quantity which is capable of ...
... four important respects : First and foremost , numbers are treated as always abstract . There is nothing novel in this conception of number . Webster says number in mathematics is " that abstract species of quantity which is capable of ...
Σελίδα vii
... and partly advance , for four years more . This class had been at work reviewing percentage for eight weeks when I examined the weekly marks in arithmetic with which my assistants sup- ply me . I found that 64 out of 129 INTRODUCTION . vii.
... and partly advance , for four years more . This class had been at work reviewing percentage for eight weeks when I examined the weekly marks in arithmetic with which my assistants sup- ply me . I found that 64 out of 129 INTRODUCTION . vii.
Σελίδα viii
... four lessons a week on each , as new studies . Some 37 of them had taken up Latin . The proportion of those whose average for eight weeks fell below 70 per cent is given below : 66 Algebra , 40 out of 129 English , 20 " • 129 History ...
... four lessons a week on each , as new studies . Some 37 of them had taken up Latin . The proportion of those whose average for eight weeks fell below 70 per cent is given below : 66 Algebra , 40 out of 129 English , 20 " • 129 History ...
Σελίδα xi
... four , shut the door ; etc. , may be conveniently and profitably employed , primarily as aids to the memory . Thus , he will learn addition , subtraction , multiplication , and division , and a part of the multiplication table before he ...
... four , shut the door ; etc. , may be conveniently and profitably employed , primarily as aids to the memory . Thus , he will learn addition , subtraction , multiplication , and division , and a part of the multiplication table before he ...
Σελίδα xii
... four equal parts of 20 cents ( 5 +5 +5 +5 = 20 ) , and we say one - fourth of 20 cents is 5 cents . " As a demonstration of the correctness of the result obtained this reasoning is perfectly sound , but as an explanation of division it ...
... four equal parts of 20 cents ( 5 +5 +5 +5 = 20 ) , and we say one - fourth of 20 cents is 5 cents . " As a demonstration of the correctness of the result obtained this reasoning is perfectly sound , but as an explanation of division it ...
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Numbers, and How to Use Them: By the Natural Method: a Complete, Practical ... John F. Brown Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Numbers, and How to Use Them: By the Natural Method; A Complete, Practical ... John F. Brown Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Numbers, and How to Use Them: By the Natural Method; A Complete, Practical ... John F. Brown Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
20 cents alternate digits amount due amount of $1 annex April 17 arithmetic carry ciphers columns compound interest cost count criss-cross cube root decimal fraction denominator discount dividend divisible by 11 expressed factors of 12 farthings five hundred four greatest common divisor greatest common factor hundred and sixty-two hundredths improper fraction interest on $1 INTEREST TABLE July 14 least common multiple less line from 9 method million minuend mixed numbers multiplicand Multiply number is divisible number of days number of digits number of tens partial products payable pound PRACTICE TABLE principle problem profit quotient remainder represents reversed selling price Sept smallest number sold square root subtract tens by units tens² thousandths three decimal places three hundred trial divisor TROY WEIGHT twice Units by units whole number x 3 tens X units
Δημοφιλή αποσπάσματα
Σελίδα 63 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Σελίδα 61 - 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 60 - Square Measure 144 square inches (sq. in.) . . = 1 square foot (sq. ft.) 9 square feet =1 square yard (sq. yd.) 30i square yards =1 square rod (sq.
Σελίδα xii - DIVISION is the process of finding how many times one number is contained in another, or of finding one of the equal parts of a number.
Σελίδα 64 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Σελίδα 95 - Thirty days hath September, April, June, and November; All the rest have thirty-one, Except February alone, Which hath but twenty-eight in fine, Till leap year gives it twenty-nine.
Σελίδα 63 - 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 31 - Multiplying or dividing both terms of a fraction by the same number does not alter the value of the fraction.
Σελίδα 17 - 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 61 - Troy Weight. 24 grains (gr.) - 1 pennyweight (dwt.) 20 pennyweights — 1 ounce (oz.) 12 ounces — 1 pound (1b.).