The Analysis of Intellectual Arithmetic: With Mental and Blackboard Exercises Designed for Public and Private SchoolsScribner, 1868 - 214 σελίδες |
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Σελίδα 17
... SUBTRACTION . LESSON VIII . BLACKBOARD EXERCISES . 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 ...
... SUBTRACTION . LESSON VIII . BLACKBOARD EXERCISES . 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 ...
Σελίδα 18
... SUBTRACTION . LESSON VIII . BLACKBOARD EXERCISES . Model Operation . 130 130 140 70 60 90 80 110 60 50 80 30 60 40 70 100 30 80 FORMULA . - 6 tens from 13 tens leave 7 tens ; 7 tens are equal to 70 units . 8. Rule.-I. Annex a cipher to ...
... SUBTRACTION . LESSON VIII . BLACKBOARD EXERCISES . Model Operation . 130 130 140 70 60 90 80 110 60 50 80 30 60 40 70 100 30 80 FORMULA . - 6 tens from 13 tens leave 7 tens ; 7 tens are equal to 70 units . 8. Rule.-I. Annex a cipher to ...
Σελίδα 19
... SUBTRACTION . 1. How much will be left of 100 after subtract- ing each of the following numbers : 2 , 3 , 4 , 6 , 0 , 2 , 4 , 3 , 2 , 4 , 2 , 3 , 4 , 5 , 1 , 4 , 2 , 3 , 4 , 2 , 1 , 4 ? 2. How many are 100 less 2 , 3 , 4 , 2 , 5 , 2 , 3 ...
... SUBTRACTION . 1. How much will be left of 100 after subtract- ing each of the following numbers : 2 , 3 , 4 , 6 , 0 , 2 , 4 , 3 , 2 , 4 , 2 , 3 , 4 , 5 , 1 , 4 , 2 , 3 , 4 , 2 , 1 , 4 ? 2. How many are 100 less 2 , 3 , 4 , 2 , 5 , 2 , 3 ...
Σελίδα 23
... had he left ? 5. A man had $ 100 , and paid $ 84 for a yoke of oxen ; how much had he left ? 6. A drover bought 100 sheep , and then sold 36 of them ; how many had he left ? SUBTRACTION . ( 1. ) ( 2. ) ( 3. INTELLECTUAL ARITHMETIC . 23.
... had he left ? 5. A man had $ 100 , and paid $ 84 for a yoke of oxen ; how much had he left ? 6. A drover bought 100 sheep , and then sold 36 of them ; how many had he left ? SUBTRACTION . ( 1. ) ( 2. ) ( 3. INTELLECTUAL ARITHMETIC . 23.
Σελίδα 24
... SUBTRACTION . ( 1. ) ( 2. ) ( 3. ) ( 4. ) 300-46 900-66 600-73 500-67 400-37 500-28 400-27 300-49 € 00-67 600-72 400-67 400-89 500-13 800-93 500-98 500-23 900-67 600-23 300-37 600-83 400-39 400-72 400-48 900-79 ( 5. ) ( 6. ) ( ...
... SUBTRACTION . ( 1. ) ( 2. ) ( 3. ) ( 4. ) 300-46 900-66 600-73 500-67 400-37 500-28 400-27 300-49 € 00-67 600-72 400-67 400-89 500-13 800-93 500-98 500-23 900-67 600-23 300-37 600-83 400-39 400-72 400-48 900-79 ( 5. ) ( 6. ) ( ...
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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?