Practical and Mental Arithmetic: On a New Plan, in which Mental Arithmetic is Combined with the Use of the Slate ...Carter, Hendee, 1833 - 268 σελίδες |
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Σελίδα 207
... square feet in 1 square rod ? and why ? A. 2721 sq . ft . · because 16 ft . ( the number of feet in 1 rod in length ) × 164 it = 2724 A Q. This figure on the right is called a parallelogram : what , then , are your ideas of a ...
... square feet in 1 square rod ? and why ? A. 2721 sq . ft . · because 16 ft . ( the number of feet in 1 rod in length ) × 164 it = 2724 A Q. This figure on the right is called a parallelogram : what , then , are your ideas of a ...
Σελίδα 208
... square yards in a figure 3 feet long and 3 feet wide ? 6 feet square ? 10 feet long and 9 feet wide ? 6 fect long and 2 feet wide ? ( 2 × 6 = 12 ÷ 9 = 14 yds . , Ans ) In a figure 10 feet long and 4 wide ? A. 4 yds . 8. How many square ...
... square yards in a figure 3 feet long and 3 feet wide ? 6 feet square ? 10 feet long and 9 feet wide ? 6 fect long and 2 feet wide ? ( 2 × 6 = 12 ÷ 9 = 14 yds . , Ans ) In a figure 10 feet long and 4 wide ? A. 4 yds . 8. How many square ...
Σελίδα 209
... square feet are contained in a board 12 inelies long and 12 inches wide ? ( ) 12 inches wide and 24 inches long ? ( 2 ) 3 fect long ( 3 ) 20 feet long ? ( 20 ) A. 26 feet . > . How many square feet in a board 1 ft . 6 in . wide and 1 ...
... square feet are contained in a board 12 inelies long and 12 inches wide ? ( ) 12 inches wide and 24 inches long ? ( 2 ) 3 fect long ( 3 ) 20 feet long ? ( 20 ) A. 26 feet . > . How many square feet in a board 1 ft . 6 in . wide and 1 ...
Σελίδα 213
... square feet in a board 10 ft . 8 in . long , and 1 ft . 5 in . broad ? We have seen how such an example may be performed by common decimals • we will now perform it by duodecimals . OPERATION . Length , 10 ft . 8 ' Breadth , 1 5 / 4 5 ...
... square feet in a board 10 ft . 8 in . long , and 1 ft . 5 in . broad ? We have seen how such an example may be performed by common decimals • we will now perform it by duodecimals . OPERATION . Length , 10 ft . 8 ' Breadth , 1 5 / 4 5 ...
Σελίδα 214
... square yard ; flooring , roofing , tiling , & c . by the square o 100 foot ; brick work by the rod of 16 feet , whose square is 272 ; the con- tents of bales , cases , & c . by the ton of 40 cubic feet ; and the tonnage of ships by the ...
... square yard ; flooring , roofing , tiling , & c . by the square o 100 foot ; brick work by the rod of 16 feet , whose square is 272 ; the con- tents of bales , cases , & c . by the ton of 40 cubic feet ; and the tonnage of ships by the ...
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12 inches 15 days 50 cents acre answer apiece apples barrels of flour bbls breadth broadcloth bushels bushels of rye called ciphers cloth cost common fraction compound interest contained cord feet currency decimal decimal places denom derive the following difference divide dividend divisor and quotient dollars equal example Exercises federal money feet high feet long feet wide figure following RULE foot gallons greatest common divisor hence illustrations we derive improper fraction interest of 100 least common denominator least common multiple leaves length longitude lowest terms merator miles mixed number molasses months Multiply Note OPERATION payment piece pound present worth principal proceed proportion pupil rate per cent ratio Reduce remainder repetend rods long shillings Slate solid feet square feet square rods square root subtracted third term whole number write yards of cloth
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Σελίδα 204 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.
Σελίδα 236 - Subtract the cube thus found from the said period, and to the remainder bring down the next period, and call this the dividend.
Σελίδα 191 - COMPUTE the interest on the principal sum, from the time when the interest commenced to the first time when a payment was made, which exceeds either alone or in conjunction with the preceding payments (if any) the interest at that time due: add that interest to the principal, and from the sum subtract the payment made at that time, together with the preceding payments (if any) and the remainder forms a new principal ; on which, compute and subtract the interest, as upon the first principal: and proceed...
Σελίδα 221 - How many bricks, 8 inches long, 4 inches wide, and 2 inches thick, will it take to build a wall 40 feet long, 20 feet high, and 2 feet thick ? Ans.
Σελίδα 6 - Fourteen 14 Fifteen 15 Sixteen 16 Seventeen 17 Eighteen 18 Nineteen 19 Twenty 20...
Σελίδα 223 - The mean rate and the several prices being reduced to the same denomination, — connect with a continued line each price that is LESS than the mean rate with one or more that is GREATER, and each price GREATER than the mean rate with one or more that is LESS.
Σελίδα 175 - Multiply the second and third terms together, and divide their product by the first term , the quotient will be the answer...
Σελίδα 238 - ... 1. The first term; 2. The last term; 3. The number of terms; 4. The common difference; 5. The sum of all the terms. 8. The first term, the last term, and the number of terms, being given, to find the Common Difference;—'• 9.
Σελίδα 22 - One ten and nine units, or nineteen, 19 Two tens, or twenty, 20 Three tens, or thirty, 30 Four tens, or forty, 40 Five tens, or fifty...... 50 Six tens, or sixty, 60 Seven tens, or seventy, 70 Eight tens, or eighty, 80 Nine tens, ..or ninety, ..90 Ten tens, or
Σελίδα 180 - J the middle term. A. $853^. 74. If 12 men do a piece of work in 12£ days, how many men will do the same in GJ days ? A.