The science and art of arithmetic, by A. Sonnenschein and H.A. Nesbitt.d Pt.1 |
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Σελίδα
... teaching by mere rote and rule of thumb was abandoned , the teaching of Elementary Mathematics has steadily risen ... teacher ought to have known , 1st , that ,,, & c . , are only integers very thinly disguised as frac- tions , and ...
... teaching by mere rote and rule of thumb was abandoned , the teaching of Elementary Mathematics has steadily risen ... teacher ought to have known , 1st , that ,,, & c . , are only integers very thinly disguised as frac- tions , and ...
Σελίδα
... teachers ; for although the pupil must use the work for the sake of the examples , he is pretty sure not to read the letter - press . We hope , however , that the teacher will find his work , if not lessened , at least rendered easier ...
... teachers ; for although the pupil must use the work for the sake of the examples , he is pretty sure not to read the letter - press . We hope , however , that the teacher will find his work , if not lessened , at least rendered easier ...
Σελίδα
... teachers have resolutely shrunk from such slurring over of difficulties , and are satisfied with nothing short of ... teaching here advocated is slow and barren of results . Progress is not synonymous with mere advance from rule to rule ...
... teachers have resolutely shrunk from such slurring over of difficulties , and are satisfied with nothing short of ... teaching here advocated is slow and barren of results . Progress is not synonymous with mere advance from rule to rule ...
Σελίδα
... teachers ; for although the pupil must use the work for the sake of the examples , he is pretty sure not to read the letter - press . We hope , however , that the teacher will find his work , if not lessened , at least rendered easier ...
... teachers ; for although the pupil must use the work for the sake of the examples , he is pretty sure not to read the letter - press . We hope , however , that the teacher will find his work , if not lessened , at least rendered easier ...
Σελίδα 4
... teacher will find it advisable to deal with concrete rather than with abstract numbers ; and for this reason it is well , in teaching the Decimal Scale of Notation , to lay before the students some illustration , such as a French Metre ...
... teacher will find it advisable to deal with concrete rather than with abstract numbers ; and for this reason it is well , in teaching the Decimal Scale of Notation , to lay before the students some illustration , such as a French Metre ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
a-day a-week a-year Arithmetic articles cost binary scale carry casting out nines chairs ciphers column common measure common multiple contained decimal scale difference digits Divide dividend divisible by 9 divisor dozen things duodecimal scale exact number farthings figure Find L. C. M. Find the cost five gallons give given numbers half-sovereign half-sovs heaps hundred hundred-thousand inches L. C. M. required Learn by heart LEAST COMMON MULTIPLE leaves marbles measures of 48 method miles minuend multiplicand Multiply nonary number is divisible number of nines octonary scale odd numbers pence persons pounds prime factors prime numbers properties of numbers Prussian thalers quantity quinary quotient radix remainder senary septenary shews shillings Subtraction subtrahend sum of money symbols ten-pound notes ten-thousands tens ternary scale thousand tons Undecimal units Vulgar Fractions weights Wording write yards دو دو وو
Δημοφιλή αποσπάσματα
Σελίδα 140 - Time. 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24...
Σελίδα 32 - The number to be repeated, or multiplied, is called the multiplicand. The number by which we multiply, is called the multiplier, and shows how many times the multiplicand is to be repeated or taken.
Σελίδα 139 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq.
Σελίδα 110 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 140 - Measure. 2 pints (pts.) = 1 quart (qt.) 4 quarts = 1 gallon (gal.) 2 gallons ... = 1 peck (pk. ) 4 pecks = 1 bushel (bus.) 8 bushels ... = 1 quarter (qr.) 6 quarters...
Σελίδα 105 - To divide by 10, 100, &c., we simply cut off as many figures from the right of the dividend as there are ciphers in the divisor.
Σελίδα 133 - Any number divided by 3 or 9 will leave the same remainder as the sum of its digits divided by 3 or 9. The difference between any number and the sum of its digits is a multiple of 9. The difference between a number and the digits of the same number arranged in another order is always divisible by 9. MISCELLANEOUS RULES. To find two numbers when their sum and difference are given.
Σελίδα 98 - Place the sum down as in the last example, then mark off from the right of the dividend as many figures as there are ciphers in the divisor...
Σελίδα 54 - Rule. — Annex as many ciphers to the right of the multiplicand as there are nines in the multiplier, and from this number subtract the multiplicand,; the remainder will be the product required.
Σελίδα 140 - Ibs. = 1 quarter (qr. ) 4 quarters, or 112 Ibs. = 1 hundred-weight (cwt). 20 hundred-weight = 1 ton (ton) Troy Weight (used in weighing Gold and Silver, &c.).