The Elements of Arithmetic ... in which Decimal and Integral Arithmetic are Combined, and Taught Inductively: On the System of Pestalozzi. Part 1st [2d].U. Hunt and Son, 1844 |
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Σελίδα 5
... Mental Questions , designed to illustrate all the fundamental principles of the science , and of such a character as to be understood by children at a very early age . The addition , subtraction , multiplication and division , of units ...
... Mental Questions , designed to illustrate all the fundamental principles of the science , and of such a character as to be understood by children at a very early age . The addition , subtraction , multiplication and division , of units ...
Σελίδα 6
... Mental and the Written Exercises , the books are all closed , and original questions are pro- posed by the teacher , to the class , and by each pupil to his left- hand neighbour . In this manner , the familiarity of each one with the ...
... Mental and the Written Exercises , the books are all closed , and original questions are pro- posed by the teacher , to the class , and by each pupil to his left- hand neighbour . In this manner , the familiarity of each one with the ...
Σελίδα 7
... MENTAL ARITHMETIC . [ THE teacher should illustrate this and the suc- ceeding sections by grains of corn , beans , or some other small articles . Let him make piles of ten , and show that two piles will be called twenty ; three piles ...
... MENTAL ARITHMETIC . [ THE teacher should illustrate this and the suc- ceeding sections by grains of corn , beans , or some other small articles . Let him make piles of ten , and show that two piles will be called twenty ; three piles ...
Σελίδα 67
... Mental Arithmetic , we have already found , that if 10 be added to two numbers their difference will be the same . This is equally true whether we add ten units , ten tenths , or ten of any denomination . If we then add 10 tenths to the ...
... Mental Arithmetic , we have already found , that if 10 be added to two numbers their difference will be the same . This is equally true whether we add ten units , ten tenths , or ten of any denomination . If we then add 10 tenths to the ...
Σελίδα 117
... Mental Arithmetic , Sect . XVII . , to result from division , and are expressed by writing the dividend for a numerator , and the divisor for a denominator . A proper fraction , is less than 1 , and therefore , its numerator is less ...
... Mental Arithmetic , Sect . XVII . , to result from division , and are expressed by writing the dividend for a numerator , and the divisor for a denominator . A proper fraction , is less than 1 , and therefore , its numerator is less ...
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11 leave 15 tens 9 leave 9 less 9 tens acres amount apiece APOTHECARIES barrel of flour barrels cost BOARD bought boys build a wall bushels of oats bushels of wheat casks cassimere cents a pound chestnuts compound interest contained decimal denominator difference divide any number divided by 9 dividend divisor drams eight equal EXAMPLE farthings figure five flour cost four gain gallons gave give grains grocer hogshead horses eat hundredths improper fraction inches interest labourer receives less 9 marbles Mental Arithmetic merchant miles an hour millionths minuend mixed number molasses months multiplicand Multiply nine hundred ounces Oyds pecks pence piece pints present worth pupil quarts quotient Reduce remainder rods sell Separatrix seven shillings sold subtract subtrahend sugar tens divided tens leave tens less tenths thousand thousandths trees TROY WEIGHT units weeks whole numbers yards of broadcloth
Δημοφιλή αποσπάσματα
Σελίδα 89 - 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 110 - RULE. Multiply all the numerators together for a new numerator, and all the denominators for a new denominator: then reduce the new fraction to its lowest terms.
Σελίδα 42 - What part of a year is 1 month ? 2 months ? 3 months ? 4 months ? 5 months ? 6 months ? 7 months? 8 months? 9 months?
Σελίδα 87 - MEASURE is used in measuring grain, salt, &c. 2 pints (pt.) make 1 quart. qt. 8 quarts make 1 peck. pk 4 pecks make 1 bushel. bu WINE MEASURE is used by grocers and others, for measuring wine, oil, molasses, and most other liquids.
Σελίδα 87 - MEASURE is used by grocers and others, for measuring wine, oil, molasses, and most other liquids. 4 gills (gi.) make 1 pint. pt 2 pints make 1 quart. qt. 4 quarts make 1 gallon. gal. 31^ gallons make 1 barrel.
Σελίδα 120 - How many days will it take him if he works 12 hours a day ? 2. 6 men can build a wall in just 2 weeks. How many days will it take them if 2 men are added to their number ? 3. If 20 men can make a road in 180 days, how many days would it take 60 men ? 180 men ? 10 men ? 4. If 2i Ib.
Σελίδα 76 - To divide by 10, 100, 1000, etc., it is necessary only to move the decimal point in the dividend as many places to the left as there are ciphers in the divisor.
Σελίδα 110 - A mixed number may be converted to an improper fraction by multiplying the whole number by the denominator and adding the numerator to the product obtained.
Σελίδα 122 - A man can do -J- of a piece of work in a day, and a boy can do £ of it in a day: in how many days can both of them, working together, do it?