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 3
... Examples . Pages 10 , 57 ..7 , 62 .... 16 , 66 .. 29 , 72 • 38 , 78 94 98 • 104 106 • 108 110 112 113 116 117 ... 43 , 117 54 , 118 , 123 • 48 , 119 48 , 120 · 49 , 121 • 55 , 122 125 · 132 87 , 137 70 , 89 , 138 ( 3 ) PREFACE . THE ...
... Examples . Pages 10 , 57 ..7 , 62 .... 16 , 66 .. 29 , 72 • 38 , 78 94 98 • 104 106 • 108 110 112 113 116 117 ... 43 , 117 54 , 118 , 123 • 48 , 119 48 , 120 · 49 , 121 • 55 , 122 125 · 132 87 , 137 70 , 89 , 138 ( 3 ) PREFACE . THE ...
Σελίδα 5
... Examples for the Board , are designed as a guide to the teacher in his explanations to the class . If the scholar be left entirely to himself , he will not under- stand any assistance the book may give , nearly so well as if it were ...
... Examples for the Board , are designed as a guide to the teacher in his explanations to the class . If the scholar be left entirely to himself , he will not under- stand any assistance the book may give , nearly so well as if it were ...
Σελίδα 8
... examples , is called ADDITION , and by continu- ing to add , we may form numbers to any extent we please . There are various ways of expressing numbers : by words , as above ; by letters , as was the custom among the Romans ; or by the ...
... examples , is called ADDITION , and by continu- ing to add , we may form numbers to any extent we please . There are various ways of expressing numbers : by words , as above ; by letters , as was the custom among the Romans ; or by the ...
Σελίδα 58
... Examples to be Read and Explained by the Teacher on the Board . 2,005,016.0003006 201,897.049003 Teach the pupil to place a comma at each third figure to the right and to the left of the decimal point , as in the example below . Then ...
... Examples to be Read and Explained by the Teacher on the Board . 2,005,016.0003006 201,897.049003 Teach the pupil to place a comma at each third figure to the right and to the left of the decimal point , as in the example below . Then ...
Σελίδα 59
... Examples to be Written on the Slate , and Read by the Pupil . 1. 716 2. 20.7 3. , 104.31 4. 3000.08 5. 4005.016 6. 6012.0384 7. 7906.10085 8. 20000.0000059 9. 40800.1000083 10. 76005.4300021 11. .99071304 12. .00010001 13. 999.99999 14 ...
... Examples to be Written on the Slate , and Read by the Pupil . 1. 716 2. 20.7 3. , 104.31 4. 3000.08 5. 4005.016 6. 6012.0384 7. 7906.10085 8. 20000.0000059 9. 40800.1000083 10. 76005.4300021 11. .99071304 12. .00010001 13. 999.99999 14 ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
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?