Putnam's ArithmeticTappan, Whittemore & Mason, 1849 - 264 σελίδες |
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Σελίδα 11
... adding the name of each period , except the right hand period . The numbers in the above table are read : Six quadrillions , eight hundred and one trillions , eighty billions , four hundred and eighty- nine millions , one hundred and ...
... adding the name of each period , except the right hand period . The numbers in the above table are read : Six quadrillions , eight hundred and one trillions , eighty billions , four hundred and eighty- nine millions , one hundred and ...
Σελίδα 18
... added to 30 , makes 34 ; therefore , 23 and 11 are 34 . 25+ 14 ? 22 + 17 ? 34 + 15 ? 38 + 212 4235 ? 43 + 24 ? 4832 ... adding , and it is not so easy to add them mentally . We will arrange them under each other , so that the units shall ...
... added to 30 , makes 34 ; therefore , 23 and 11 are 34 . 25+ 14 ? 22 + 17 ? 34 + 15 ? 38 + 212 4235 ? 43 + 24 ? 4832 ... adding , and it is not so easy to add them mentally . We will arrange them under each other , so that the units shall ...
Σελίδα 19
... added with the hundreds . 2 hundreds and 4 hundreds are 6 hundreds , and 2 hundreds are 8 hundreds , and 3 hundreds are 11 hundreds , equal to 1 thousand and 1 hundred , which write down , making the sum 1119. From this example we may ...
... added with the hundreds . 2 hundreds and 4 hundreds are 6 hundreds , and 2 hundreds are 8 hundreds , and 3 hundreds are 11 hundreds , equal to 1 thousand and 1 hundred , which write down , making the sum 1119. From this example we may ...
Σελίδα 21
... added to 100 makes 210 ; 8 and 9 are 17 , which is equal to 10 and 7 ; 210 and 10 are 220 , and 7 are 227 ; therefore , 138 and 89 are 227 . ( 3. ) 275348. 200 + 300 are 500 ; 70 and 40 are 110 , which added to 500 make 610 ; 5 and 8 ...
... added to 100 makes 210 ; 8 and 9 are 17 , which is equal to 10 and 7 ; 210 and 10 are 220 , and 7 are 227 ; therefore , 138 and 89 are 227 . ( 3. ) 275348. 200 + 300 are 500 ; 70 and 40 are 110 , which added to 500 make 610 ; 5 and 8 ...
Σελίδα 22
... added 10 units to the minuend , we must add 1 ten to the subtrahend , which makes 2 tens ; 2 tens from 3 tens leaves 1 ten . Again , we cannot take 6 hun- dreds from 1 hundred ; adding 10 hundreds to the 1 hundred in the upper line ...
... added 10 units to the minuend , we must add 1 ten to the subtrahend , which makes 2 tens ; 2 tens from 3 tens leaves 1 ten . Again , we cannot take 6 hun- dreds from 1 hundred ; adding 10 hundreds to the 1 hundred in the upper line ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acres amount annuity apples April 12 arithmetic Avoirdupois balance barrels of flour bought bushels bushels of corn called cash cents a pound circumference cistern common fractions common multiple compound interest contain cords cost cube root decimals diameter discount Divide dividend dollars equal expressed factors farthings feet long figures gain gallons greatest common measure hundred hundredths improper fractions least common least common multiple merchant miles minuend molasses months Multiply naughts NOTE number of terms payable payment pence potatoes proportion pupil quotient ratio Reduce remainder rods rule for finding sell shillings side slant height sold solid contents square feet square root subtract subtrahend surface tens tenths thousand thousandths trial divisor triangle Troy Weight units weight whole numbers William Perkins worth Write yards
Δημοφιλή αποσπάσματα
Σελίδα 214 - 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 73 - 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 9 - Los números cardinales 0: zero 1: one 2: two 3: three 4: four 5: five 6: six 7: seven 8: eight 9: nine 10: ten 11: eleven 12: twelve 13: thirteen 14: fourteen 15: fifteen 16: sixteen 17: seventeen 18: eighteen 19: nineteen 20: twenty...
Σελίδα 196 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend. 5. Double the whole root already found for a new divisor, and continue the operation as before, until all the periods are brought down. NOTE.
Σελίδα 91 - If the numerator and denominator of each fraction is multiplied (or divided) by the same number, the value of the fraction will not change.
Σελίδα 87 - The least common multiple of two or more numbers, is the least number that can be divided by each of them without a remainder.
Σελίδα 93 - To reduce a mixed number to an improper fraction, — RULE : Multiply the whole number by the denominator of the fraction, to the product add the numerator, and write the result over the denominator.
Σελίδα 238 - These are usually accounted six in number, viz. the Lever, the Wheel and Axle, the Pulley, the Inclined Plane, the Wedge, and the Screw.
Σελίδα 176 - If 248 men, in 5 days, of 11 hours each, can dig a trench 230 yards long, 3 wide, and 2 deep, in how many days, of 9 hours each, will 24 men dig a trench 420 yards long, 5 wide, and 3 deep ? Here the number of days, in which the proposed work can be done, depends on five circumstances, viz.
Σελίδα 29 - Hence it follows, we must always point off in the product as many places for decimals as there are decimal places in both factors. 2. Multiply '75 by '25. OPERATION. In this example, we have 4 de'75 cimal places in both factors ; we '25 must therefore point off 4 places for decimals in the product.