A Mental Arithmetic, Upon the Inductive PlanR.S. Davis & Company, 1860 - 156 σελίδες |
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Σελίδα 4
... subtraction , a short horizontal line , minus , or less , and denotes that the quantity on the right of it is to be subtracted from that on the left ; as 8-6 equals 2 . 4. The sign of multiplication , an inclined cross , X , is read ...
... subtraction , a short horizontal line , minus , or less , and denotes that the quantity on the right of it is to be subtracted from that on the left ; as 8-6 equals 2 . 4. The sign of multiplication , an inclined cross , X , is read ...
Σελίδα 120
... Subtract 33 from 76. * NOTE . 76 is 7 tens and 6 ; 33 is 3 tens and 3 ; 3 tens from 7 tens leaves 4 tens , and 3 ... SUBTRACTION is the process of taking one number from another , to find the difference . The larger of the two given ...
... Subtract 33 from 76. * NOTE . 76 is 7 tens and 6 ; 33 is 3 tens and 3 ; 3 tens from 7 tens leaves 4 tens , and 3 ... SUBTRACTION is the process of taking one number from another , to find the difference . The larger of the two given ...
Σελίδα 121
... subtract 414 . How many are 365 and 147 , less 228 and How many are 424 and 181 , less 564 ? Add 3480 and 225 , and take 1009 from their Add to 252 less 178 , 341 less 279 . Add 254 and 316 , and subtract 142 . Add 573 , 96 , 69 , 251 ...
... subtract 414 . How many are 365 and 147 , less 228 and How many are 424 and 181 , less 564 ? Add 3480 and 225 , and take 1009 from their Add to 252 less 178 , 341 less 279 . Add 254 and 316 , and subtract 142 . Add 573 , 96 , 69 , 251 ...
Σελίδα 122
Benjamin Greenleaf. 27. Add 6000 , 2400 , 560 and 79 , and subtract from their sum 2500 and 1636 . 28. Add together 2500 , 370 and 45 , and subtract from their sum 282 and 1500 . 29. Find the sum of 5200 , 380 and 76 , from which take ...
Benjamin Greenleaf. 27. Add 6000 , 2400 , 560 and 79 , and subtract from their sum 2500 and 1636 . 28. Add together 2500 , 370 and 45 , and subtract from their sum 282 and 1500 . 29. Find the sum of 5200 , 380 and 76 , from which take ...
Σελίδα 125
... subtraction . NOTE . That is , subtract once 37 from 30 times 37 . 25. Multiply 28 by 39 ; 39 by 39 ; 38 by 38 ; 37 by 37 . 26. How many are 29 times 29 ? 29 times 28 ? 29 times 27 ? 27. How many are 39 times 47 ? 49 times 37 ? 59 times ...
... subtraction . NOTE . That is , subtract once 37 from 30 times 37 . 25. Multiply 28 by 39 ; 39 by 39 ; 38 by 38 ; 37 by 37 . 26. How many are 29 times 29 ? 29 times 28 ? 29 times 27 ? 27. How many are 39 times 47 ? 49 times 37 ? 59 times ...
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Mental Arithmetic, Upon the Inductive Plan: Designed for Primary and ... Benjamin Greenleaf Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
12 cents 12 days 12 dollars 20 per cent 40 dollars 50 cents 9 cents 9 dollars acres amount barrel of flour bought boys bushels of corn bushels of wheat cents a dozen cents a pound cents a quart cents a yard cents apiece contained cords of wood cows cubic feet decimal fraction denominator dimes dollar a bushel dollars a yard earn eight equal equivalent mixed factors fifths fourths furlongs gain gallons gave give hogshead horse hundred hundred-weight improper fraction interest of $100 John less LESSON lowest terms MENTAL ARITHMETIC merator miles an hour mixed number molasses months Multiply nator NOTE oranges ounces paid pecks pence pennyweights pine-apple pints pounds of sugar present worth prime number quarters quire rate per cent receive Reduce remainder sell sevenths sheep shillings sixths square rods subtract tens third weeks whole number yards of broadcloth yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 28 - If two men start from the same place, and travel in opposite directions, the one travelling at the rate of 3 miles an hour, and the other at the rate of 4 miles an hour, how far apart will they be at the end of 5 hours ? 11.
Σελίδα 122 - Multiplication is the process of taking one number as many times as there are units in another number.
Σελίδα 55 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score.
Σελίδα 50 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 46 - 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
Σελίδα 53 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 47 - AVOIRDUPOIS WEIGHT. 16 Drams (dr.) make 1 Ounce, oz. 16 Ounces " 1 Pound, Ib. 25 Pounds " 1 Quarter, qr. 4 Quarters " 1 Hundred-weight, cwt. 20 Hundred-weight
Σελίδα 114 - A cistern has 4 pipes ; the first will fill it in 2 hours, the second will fill it in 3 hours, the third in 4 hours, and the fourth will empty it in 2 hours ; now, if the pipes are all open at the same time, how long •will it take to fill the cistern ? 10.
Σελίδα 66 - When the numerator is less than the denominator, the fraction is called a proper fraction ; when the numerator is equal to or larger than the denominator, the fraction is called an improper fraction ; when a fraction is joined with a whole number, the expression is called a mixed number.