The Decimal System of Numbers: Illustrated and Practically Applied, by a Series of Systematic and Progressive Exercises |
Αναζήτηση στο βιβλίο
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 12
5 tens + 3 tens = how many tens ? Called what ? How many then are 50 + 30 ?
Let the pupil now read the following , supplying appropriate numbers in place of
the stars . 4. 2 tens +5 tens = * tens , or * units ; then 20 + 50 = * . 5. 4 tens + 5
tens ...
5 tens + 3 tens = how many tens ? Called what ? How many then are 50 + 30 ?
Let the pupil now read the following , supplying appropriate numbers in place of
the stars . 4. 2 tens +5 tens = * tens , or * units ; then 20 + 50 = * . 5. 4 tens + 5
tens ...
Σελίδα 13
10 tens 2 tens = tens , or * units ; then 100—20 = * . 8. 7 tens 5 tens * tens , or *
units ; then 70—50 = * . 9. 8 tens — 4 tens = * tens , or * units ; then 80 — 40 = * .
10. 10 tens 5 tens tens , or * units ; then 100—50 = * . 11. 10 tens -3 tens — 4 tens
...
10 tens 2 tens = tens , or * units ; then 100—20 = * . 8. 7 tens 5 tens * tens , or *
units ; then 70—50 = * . 9. 8 tens — 4 tens = * tens , or * units ; then 80 — 40 = * .
10. 10 tens 5 tens tens , or * units ; then 100—50 = * . 11. 10 tens -3 tens — 4 tens
...
Σελίδα 16
2 tens + 1 unit 20 + 1 , or TWENTY - ONE , written 21 . 2. 2 tens + 2 units = 20 + 2
, or TWENTY - TWO , written 22 . 3. 2 tens + - 3 units = 20 + 3 , or TWENTY -
THREE , written 23 . 4. 2 tens + 4 units = 20 + 4 , or TWENTY - FOUR , written 24 .
5.
2 tens + 1 unit 20 + 1 , or TWENTY - ONE , written 21 . 2. 2 tens + 2 units = 20 + 2
, or TWENTY - TWO , written 22 . 3. 2 tens + - 3 units = 20 + 3 , or TWENTY -
THREE , written 23 . 4. 2 tens + 4 units = 20 + 4 , or TWENTY - FOUR , written 24 .
5.
Σελίδα 17
By 5 in the tens ' and 7 in the units ' ? 5. By 9 in the tens ' and 0 in the units ' ? 6.
By 8 in the tens ' and 3 in the units ' ? 7. By 0 in the tens ' and 9 in the units ' ? 8.
By 8 in the tens ' and 8 in the units ' ? 9. By 5 in the tens ' and 0 in the units ' ? 10.
By 5 in the tens ' and 7 in the units ' ? 5. By 9 in the tens ' and 0 in the units ' ? 6.
By 8 in the tens ' and 3 in the units ' ? 7. By 0 in the tens ' and 9 in the units ' ? 8.
By 8 in the tens ' and 8 in the units ' ? 9. By 5 in the tens ' and 0 in the units ' ? 10.
Τι λένε οι χρήστες - Σύνταξη κριτικής
Δεν εντοπίσαμε κριτικές στις συνήθεις τοποθεσίες.
Συχνά εμφανιζόμενοι όροι και φράσεις
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 |