The Decimal System of Numbers: Illustrated and Practically Applied, by a Series of Systematic and Progressive Exercises |
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Σελίδα 11
Note . The period at the right of the above written numbers ( 20. , 30. , 40. , & c . ) ,
is called the decimal point , and is used to denote the place of ones , or units .
The first place at the left of the decimal point is the place of units , the second
place ...
Note . The period at the right of the above written numbers ( 20. , 30. , 40. , & c . ) ,
is called the decimal point , and is used to denote the place of ones , or units .
The first place at the left of the decimal point is the place of units , the second
place ...
Σελίδα 13
Note . The solutions in the above examples , and also in the following , should be
omitted as soon as the pupil has become so familiar with the operation as to
answer the questions promptly , when the results simply of the successive ...
Note . The solutions in the above examples , and also in the following , should be
omitted as soon as the pupil has become so familiar with the operation as to
answer the questions promptly , when the results simply of the successive ...
Σελίδα 25
Add as many tens as you can to 10 without obtaining a greater sum than 100 . 18.
In the same manner add tens to 3 ; to 5 ; to 8 ; to 1 ; to 7 ; to 2 ; to 9 ; to 4 ; to 6 .
Note . The pupil should now be taught to count by twos , threes , & c . , beginning
...
Add as many tens as you can to 10 without obtaining a greater sum than 100 . 18.
In the same manner add tens to 3 ; to 5 ; to 8 ; to 1 ; to 7 ; to 2 ; to 9 ; to 4 ; to 6 .
Note . The pupil should now be taught to count by twos , threes , & c . , beginning
...
Σελίδα 28
... from 98 ; from 96 . 10. Subtract as many tens as you can from 100 ; from 95 ;
from 98 ; from 91 ; from 93 ; from 97 ; from 92 ; from 96 ; from 94 ; from 99 . Note .
— The above examples should be performed by the pupil , after he has become ...
... from 98 ; from 96 . 10. Subtract as many tens as you can from 100 ; from 95 ;
from 98 ; from 91 ; from 93 ; from 97 ; from 92 ; from 96 ; from 94 ; from 99 . Note .
— The above examples should be performed by the pupil , after he has become ...
Σελίδα 33
Note . The third place towards the left from the decimal point is called the place of
hundreds , and the fourth place that of thousands , because the figures in these
places represent hundreds and thousands respectively . Thus , 1 in the third ...
Note . The third place towards the left from the decimal point is called the place of
hundreds , and the fourth place that of thousands , because the figures in these
places represent hundreds and thousands respectively . Thus , 1 in the third ...
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9 tens acres added angle answer apples barrels Boston bought bushels called cents cloth coins containing corn cost cubic decimal denomination difference dimes distance divided dividend division divisor dollars equal examples Explanation expressed factor feet fifth figure four fourth fraction gallons gathered gave give given hundred hundredths illustrated inches land less manner measure method miles millions minuend multiplied ninths Note obtained ounces paid pairs performing piece pounds principles pupil quarts questions quotient received Reduce remainder represents rest result rods Schools sell shillings shows sixth sold Solution square Subtract sugar taken tens tenths thing third thousands units usually week weight wide worth write written yard
Δημοφιλή αποσπάσματα
Σελίδα 53 - CUBIC MEASURE 1728 cubic inches = 1 cubic foot 27 cubic feet = 1 cubic yard...
Σελίδα 51 - APOTHECARIES' WEIGHT 20 grains = 1 scruple. 3 scruples = 1 dram. 8 drams = 1 ounce. 12 ounces = 1 pound.
Σελίδα 56 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Σελίδα 54 - ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference.
Σελίδα 55 - Dry Measure. — 2 pints = 1 quart; 8 quarts = 1 peck; 4 pecks = 1 bushel.
Σελίδα 51 - AVOIRDUPOIS WEIGHT. 16 drams = 1 ounce. 16 ounces = 1 pound. 28 pounds = 1 quarter. 4 quarters = 1 hundred weight. 20 hundred weight = 1 ton.
Σελίδα 53 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Σελίδα 55 - OF TIME. 60 Seconds = 1 Minute 60 Minutes = 1 Hour 24 Hours = 1 Day 7 Days = 1 Week 28 Days = 1 Lunar Month...
Σελίδα 51 - MONEY. 10 mills = 1 cent. 10 cents = 1 dime. 10 dimes = 1 dollar. 10 dollars = 1 eagle.
Σελίδα 206 - MK CROSS. THE OPERA CHORUS BOOK, Consisting of Trios, Quartets, Quintets, Solos, and Choruses, selected and arranged from the most popular Operas of Von Weber, Rossini, Meyerbeer, Bellini, Benedict, Donizetti, Mercadante, Auber, Balfe, Verdi, and Bishop. By EDWARD L. WHITE and JOHN E. GOULD. [ We select the following from numerous Notices of this Work.]
Πληροφορίες βιβλιογραφίας
| Τίτλος | The Decimal System of Numbers: Illustrated and Practically Applied, by a Series of Systematic and Progressive Exercises |
| Συγγραφέας | Dana Pond Colburn |
| Εκδότης | B.B. Mussey, 1852 |
| Πρωτότυπο από | Πανεπιστήμιο Χάρβαρντ |
| Ψηφιοποιήθηκε στις | 1 Φεβ. 2007 |
| Μέγεθος | 210 σελίδες |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |