A Practical Arithmetic: Upon the Basis of the Works of Geo. R. PerkinsD. Appleton, 1872 - 336 σελίδες |
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Σελίδα 19
... equal . 6 + 4 = 10 is read six plus four equals ten , and means that the sum of six and four is ten . 35. Observe the following : - 5 + 8 = 13 then 3 + 2 = 5 then 4 + 5 = 9 then 3 + 7 = 10 then 13 + 2 = 15 4 + 35 = 39 53 + 7 = 60 5 + 28 ...
... equal . 6 + 4 = 10 is read six plus four equals ten , and means that the sum of six and four is ten . 35. Observe the following : - 5 + 8 = 13 then 3 + 2 = 5 then 4 + 5 = 9 then 3 + 7 = 10 then 13 + 2 = 15 4 + 35 = 39 53 + 7 = 60 5 + 28 ...
Σελίδα 20
... equal ? 6 + 106 ? 126 + 6 ? 226 + 6 ? 6 + 36 ? 46 + 3 + 3 ? 56 + 4 + 2 ? 5 + 1 + 46 ? What does 4 + 6 equal ? 104 + 6 ? 24 + 6 ? 6 + 14 ? 5 + 6 ? 85 + 6 ? 5 + 76 ? 9 + 4 ? 9 + 44 ? 10 and 20 ? 10 and 30 ? 4 , 5 , and 8 ? 21 , 5 , and 3 ...
... equal ? 6 + 106 ? 126 + 6 ? 226 + 6 ? 6 + 36 ? 46 + 3 + 3 ? 56 + 4 + 2 ? 5 + 1 + 46 ? What does 4 + 6 equal ? 104 + 6 ? 24 + 6 ? 6 + 14 ? 5 + 6 ? 85 + 6 ? 5 + 76 ? 9 + 4 ? 9 + 44 ? 10 and 20 ? 10 and 30 ? 4 , 5 , and 8 ? 21 , 5 , and 3 ...
Σελίδα 34
... equals the minuend , the work is right . This follows , because a whole is equal to the sum of its parts . The minuend is the whole ; the remainder and subtrahend are its parts . EXAMPLE . - Prove the above example . Add the re- mainder ...
... equals the minuend , the work is right . This follows , because a whole is equal to the sum of its parts . The minuend is the whole ; the remainder and subtrahend are its parts . EXAMPLE . - Prove the above example . Add the re- mainder ...
Σελίδα 35
... equal to 10 units , which we add to the 4 units , making 14. Now sub- tracting 9 units from 14 units , we have 5 units left , which we write in the remainder , in the units ' place . 3 tens from 5 ( not 6 ) tens leave 2 tens . 8 ...
... equal to 10 units , which we add to the 4 units , making 14. Now sub- tracting 9 units from 14 units , we have 5 units left , which we write in the remainder , in the units ' place . 3 tens from 5 ( not 6 ) tens leave 2 tens . 8 ...
Σελίδα 46
... equal to 8 × 2 . When the multiplier is a composite number , we may either multiply by the whole at once , or by its factors in turn . The result will be the same . Multiplication by a composite number may , therefore , be proved by ...
... equal to 8 × 2 . When the multiplier is a composite number , we may either multiply by the whole at once , or by its factors in turn . The result will be the same . Multiplication by a composite number may , therefore , be proved by ...
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acres amount annex barrels bill bought bushels called cents common denominator common fraction composite number compound interest compound number contained cube decimal point difference discount Divide dividend dollars drams duodecimals equal exactly divisible EXAMPLES FOR PRACTICE Federal Money feet figure gallons Give the rule given example given number grains greatest common divisor Hence hundred hundredths improper fraction integers interest least common multiple leaves long tons lower denominations Measure miles million mills minuend mixed number months multiplicand multiply naughts ounces payment pounds prime factors profit proper fraction Prove quarts quotient ratio Recite the rule Recite the Table Reduce the following remainder rods rule for finding selling price sold square subtract subtrahend tens thousand thousandths Troy Troy Weight units whole number worth Write yards
Δημοφιλή αποσπάσματα
Σελίδα 156 - Thirty days hath September, April, June, and November ; All the rest have thirty-one, Except the second month alone, Which has but twenty-eight, in fine, Till leap year gives it twenty-nine.
Σελίδα 94 - Then multiply the numerators together for a new numerator, and the denominators for a new denominator.
Σελίδα 153 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 110 - RULE. Divide as in whole numbers, and from the right hand of the quotient point off as many places for decimals as the decimal places in the dividend exceed those in the divisor.
Σελίδα 275 - A Compound Ratio is the product of two or more simple ratios, the first term being the product of the antecedents, the second that of the consequents.
Σελίδα 305 - Which proves that the square of a number composed of tens and units, contains the square of the tens plus twice the product of the tens by the units, plus the square of the units.
Σελίδα 43 - Write the multiplier under the multiplicand, units under units, tens under tens, &c.
Σελίδα 311 - RULE. 1. Separate the given number into periods of three figures each, beginning at the units place.
Σελίδα 135 - TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES