The Analysis of Intellectual Arithmetic: With Mental and Blackboard Exercises Designed for Public and Private SchoolsScribner, 1868 - 214 σελίδες |
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Σελίδα 5
... Model Operations . 1 · 2 Q 3 5 • 3 ∞ 2 3 4 9 8 3 4 NOTE . The above black - board exercises are to be recited as follows : - Beginning at one , go round the circle five times , to the right and to the left alternately , naming the sum ...
... Model Operations . 1 · 2 Q 3 5 • 3 ∞ 2 3 4 9 8 3 4 NOTE . The above black - board exercises are to be recited as follows : - Beginning at one , go round the circle five times , to the right and to the left alternately , naming the sum ...
Σελίδα 11
... MODEL OPERATION . 234 861 939 581 631 701 838 931 467 839 622 422 715 467 973 865 647 12 , 8 , 15 ; 1295 . 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 ...
... MODEL OPERATION . 234 861 939 581 631 701 838 931 467 839 622 422 715 467 973 865 647 12 , 8 , 15 ; 1295 . 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 ...
Σελίδα 13
... MODEL OPERATION . 828 234 861 939 581 631 701 838 931 422 715 467 973 865 647 467 839 622 12 , 8 , 15 ; 1295 . FORM . 400 and 800 are 1200 ; 67 and 28 are 95 ; 1200 and 95 are 1295 . ILLUSTRATION . - 12 , 8 , 15 ; 1295 : 10 , 6 , 13 ...
... MODEL OPERATION . 828 234 861 939 581 631 701 838 931 422 715 467 973 865 647 467 839 622 12 , 8 , 15 ; 1295 . FORM . 400 and 800 are 1200 ; 67 and 28 are 95 ; 1200 and 95 are 1295 . ILLUSTRATION . - 12 , 8 , 15 ; 1295 : 10 , 6 , 13 ...
Σελίδα 15
... MODEL OPERATION . 581 281 27 54 27 36 67 46 83 # 43 2831 56 41 86 67 63 43 86 78 67 43 83 34 26 37 37 78 74 67 84 FORM . - 46 + 30 = 76 ; 76 + 6 = 82 ; 82 + 20 = 102 ; 102 + 7 = 109 . - 5. Rule . V. To the first number add the tens and ...
... MODEL OPERATION . 581 281 27 54 27 36 67 46 83 # 43 2831 56 41 86 67 63 43 86 78 67 43 83 34 26 37 37 78 74 67 84 FORM . - 46 + 30 = 76 ; 76 + 6 = 82 ; 82 + 20 = 102 ; 102 + 7 = 109 . - 5. Rule . V. To the first number add the tens and ...
Σελίδα 17
... Model Operation . 60 50 130 130 140 70 60 90 80 110 80 30 60 40 70 30 100 80 FORMULA . - 6 tens from 13 tens leave 7 tens ; 7 tens are equal to 70 units . 8. Rule.-I. Annex a cipher to the difference of the tens ; thus : 7 , 70 ; 8 , 80 ...
... Model Operation . 60 50 130 130 140 70 60 90 80 110 80 30 60 40 70 30 100 80 FORMULA . - 6 tens from 13 tens leave 7 tens ; 7 tens are equal to 70 units . 8. Rule.-I. Annex a cipher to the difference of the tens ; thus : 7 , 70 ; 8 , 80 ...
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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?