Practical Mathematics: Instruction Paper, Τόμος 2American school of correspondence, 1912 |
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Σελίδα 50
... decimal fractions given above , when expressed in this way , become .75 , .875 , .077 , and when so used they are called decimals . The point ( . ) is called the decimal point and its office is to mark the beginning of the decimal or ...
... decimal fractions given above , when expressed in this way , become .75 , .875 , .077 , and when so used they are called decimals . The point ( . ) is called the decimal point and its office is to mark the beginning of the decimal or ...
Σελίδα 52
Instruction Paper Glenn Moody Hobbs. ADDITION OF DECIMALS 35. In addition of decimals , place the numbers so that the ... decimal point in the sum directly under the column of decimal points . Example . Add 1.75 ; 62.625 ; and 3.937 ...
Instruction Paper Glenn Moody Hobbs. ADDITION OF DECIMALS 35. In addition of decimals , place the numbers so that the ... decimal point in the sum directly under the column of decimal points . Example . Add 1.75 ; 62.625 ; and 3.937 ...
Σελίδα 53
... DECIMALS 37. In multiplying decimals proceed as with whole numbers , paying no attention to the decimal point until all the figures in the product are obtained . Then point off as many places in this product as the total number of places ...
... DECIMALS 37. In multiplying decimals proceed as with whole numbers , paying no attention to the decimal point until all the figures in the product are obtained . Then point off as many places in this product as the total number of places ...
Σελίδα 54
Instruction Paper Glenn Moody Hobbs. To multiply a decimal or a mixed number expressed as a decimal by 10 , 100 , 1 ; 000 , etc. , move the decimal point as many places to the right as there are ciphers in the multiplier . If there are ...
Instruction Paper Glenn Moody Hobbs. To multiply a decimal or a mixed number expressed as a decimal by 10 , 100 , 1 ; 000 , etc. , move the decimal point as many places to the right as there are ciphers in the multiplier . If there are ...
Σελίδα 55
... DECIMALS 38. In division of decimals proceed as with whole numbers paying no attention to the decimal point until the quotient is ob- tained . Then point off in the quotient as many decimal places as those in the dividend exceed those ...
... DECIMALS 38. In division of decimals proceed as with whole numbers paying no attention to the decimal point until the quotient is ob- tained . Then point off in the quotient as many decimal places as those in the dividend exceed those ...
Συχνά εμφανιζόμενοι όροι και φράσεις
acre Avoir Avoirdupois Weight bushel called cancellation ciphers coal contains cubic centimeter cubic feet cubic foot cubic inches cubic measure decimal fractions decimal point denominate number dividend Dividing the numerator division divisor dollars Dry Measure dry quart English system entire quantity equal error example expressed find the least frac fractional units gallons given number gives gram hectoliter higher denomination hundred hundredths improper fraction kilo kilogram kilometer least common denominator length Linear Measure Liquid Quart liter lowest terms metric system millimeters minuend mixed number mixed quantity moving the decimal Multiply the numerator number of places number of units numerator and denominator obtained peck pints pound lb prime factors PROBLEMS FOR PRACTICE quotient Reduce to lowest remainder result short ton SOLUTION Square Measure square mile subtract tenths thousandths tons Troy weight water weighs whole numbers пр
Δημοφιλή αποσπάσματα
Σελίδα 74 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30| square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 74 - CUBIC MEASURE 1728 cubic inches (cu. in.) = 1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 75 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 54 - To multiply a decimal by 10, 100, 1000, &c., remove the decimal point as many places to the right as there are ciphers in the multiplier ; and if there be not places enough in the number, annex ciphers.
Σελίδα 80 - Time. 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24...
Σελίδα 81 - TABLE. 4 farthings (far. or qr.) make 1 penny, d. 12 pence " 1 .shilling, s. 20 shillings " 1 pound or sovereign, £ or sov.
Σελίδα 75 - SURVEYORS' SQUARE MEASURE. 197. This measure is used by surveyors in computing the area or contents of land. TABLE. 625 square links (sq. 1.) make 1 pole P. 16 poles " 1 square chain,, .sq. ch. 10 square chains " 1 acre, A. 640 acres " 1 square mile,. ..sq. mi. 36 square miles (6 miles square)
Σελίδα 75 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 77 - In the international metric system the fundamental unit is the meter — the unit of length. From this the units of capacity (liter) and of weight (gram) were derived. All other units are the decimal subdivisions or multiples of these. These three units are simply related eg, for all practical purposes 1 cubic decimeter equals 1 liter and 1 liter of water weighs 1 kilogram. The metric tables are formed by combining the words
Σελίδα 74 - A pile of wood 8 feet long, 4 feet wide, and 4 feet high, contains 1 cord; and a cord foot is 1 foot in length of such a pile.