The Analysis of Intellectual Arithmetic: With Mental and Blackboard Exercises Designed for Public and Private SchoolsScribner, 1868 - 214 σελίδες |
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Σελίδα 3
... form , readily , mental calculations . To make them prompt , plucky , and self - reliant , ready to grapple with and to overcome difficulties , numerous black- board exercises and brief methods of combining num- bers in the fundamental ...
... form , readily , mental calculations . To make them prompt , plucky , and self - reliant , ready to grapple with and to overcome difficulties , numerous black- board exercises and brief methods of combining num- bers in the fundamental ...
Σελίδα 8
... FORM . - 70 and 60 are 130 ; 2 and 3 are 5 ; 130 and 5 are 3. Rule . - III . To the sum of the tens annex the sum of the units : thus ; 13 , 5 , 135 ; 10 , 8 , 108 ; 15 , 5 , 155 , & c . PROBLEMS . 1. If I pay $ 19 for a saddle , and ...
... FORM . - 70 and 60 are 130 ; 2 and 3 are 5 ; 130 and 5 are 3. Rule . - III . To the sum of the tens annex the sum of the units : thus ; 13 , 5 , 135 ; 10 , 8 , 108 ; 15 , 5 , 155 , & c . PROBLEMS . 1. If I pay $ 19 for a saddle , and ...
Σελίδα 10
... FORM . - 70 and 30 are 100 ; 8 and 7 are 15 ; 100 and 15 are 115 . 4. Rule.-IV. Write the sums of the tens and units separately ; add the tens of each sum to the units of the preceding sum ; thus : 10 , 15 ; 1 ( 0 + 1 ) 5 ; 115 : 10 ...
... FORM . - 70 and 30 are 100 ; 8 and 7 are 15 ; 100 and 15 are 115 . 4. Rule.-IV. Write the sums of the tens and units separately ; add the tens of each sum to the units of the preceding sum ; thus : 10 , 15 ; 1 ( 0 + 1 ) 5 ; 115 : 10 ...
Σελίδα 11
... FORM . - 400 and 800 are 1200 ; 67 and 28 are 95 ; 1200 and 95 are 1295 . ILLUSTRATION . - 12 , 8 , 15 ; 1295 : 10 , 6 , 14 , 8 , 3 ; 1483 . 13 ; 1073 : 413 349 416 841 806 836 413 672 412 672 INTELLECTUAL ARITHMETIC . 11.
... FORM . - 400 and 800 are 1200 ; 67 and 28 are 95 ; 1200 and 95 are 1295 . ILLUSTRATION . - 12 , 8 , 15 ; 1295 : 10 , 6 , 14 , 8 , 3 ; 1483 . 13 ; 1073 : 413 349 416 841 806 836 413 672 412 672 INTELLECTUAL ARITHMETIC . 11.
Σελίδα 13
... FORM . 400 and 800 are 1200 ; 67 and 28 are 95 ; 1200 and 95 are 1295 . ILLUSTRATION . - 12 , 8 , 15 ; 1295 : 10 , 6 , 13 ; 1073 : 14 , 8 , 3 ; 1483 . 413 349 416 841 806 836 413 672 412 672 INTELLECTUAL ARITHMETIC . 11.
... FORM . 400 and 800 are 1200 ; 67 and 28 are 95 ; 1200 and 95 are 1295 . ILLUSTRATION . - 12 , 8 , 15 ; 1295 : 10 , 6 , 13 ; 1073 : 14 , 8 , 3 ; 1483 . 413 349 416 841 806 836 413 672 412 672 INTELLECTUAL ARITHMETIC . 11.
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Συχνά εμφανιζόμενοι όροι και φράσεις
20 cents 9 days acres amount ANAL apples cost Avoirdupois barrel of flour BLACKBOARD EXERCISES bushel butter centiares centimetres cents a pound cents apiece cheese contained cubic daily interest decimetres denominations dimes divided dollars drams dry measure equal feet Felter's Find the number FORM.-If FORM.-Since gain gallons gave Give the formula Give the rule grams halves hectare hectolitres hence hundredths improper fraction inches INTELLECTUAL ARITHMETIC kilo kilogram kilometres LESSON litres measure metric system mills minuend MODEL OPERATION molasses monthly interest multiplied number of days oranges cost ounces paid peck pennyweight piece pints pounds cost pounds of sugar principal PROBLEMS proper fractions pupils quantity quarts receive Recite Reduce Repeat the table selling price sheep shillings SLATE AND BLACKBOARD sold square stere subtract subtrahend Troy Weight week weight yards of cloth
Δημοφιλή αποσπάσματα
Σελίδα 65 - TABLE. 10 Mills (m.) = 1 Cent . . ct. 10 Cents = 1 Dime . . d. 10 Dimes = 1 Dollar . $. 10 Dollars = 1 Eagle . E.
Σελίδα 81 - Things make 1 Dozen. 12 Dozen " 1 Gross. 12 Gross " 1 Great Gross. 20 Units
Σελίδα 66 - TABLE OF ENGLISH MONEY. 4 farthings (far.) make 1 penny, d. 12 pence " 1 shilling, s. 20 shillings
Σελίδα 73 - TABLE. 144 Square Inches (sq. in.) make 1 Square Foot sq. ft. 9 Square Feet " 1 Square Yard sq. yd. 30} Square Yards " 1 Square Rod sq. rd. ' 160 Square Rods
Σελίδα 68 - 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 96 - Multiplying or dividing both terms of a fraction by the same number does not change its value.
Σελίδα 88 - It will be seen by the above section that if both the numerator and denominator be multiplied by the same number, the value of the fraction will not be altered...
Σελίδα 60 - If two men start from the same place, and travel in opposite directions, the one traveling 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 82 - O or small, be divided into 360 equal arcs, each arc is called a degree. The degree is divided into 60 minutes, and the minute into 60 seconds. The length of a degree, minute, or second, depends on the size of the circle. If the size of the circle is increased or decreased, the length of the degree, minute, or second is also increased or decreased. 3.
Σελίδα 52 - If 2 men can do a piece of work in 3 days, how long will it take 1 man to do it?