Practical Mathematics: Instruction Paper, Τόμος 2American school of correspondence, 1912 |
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Σελίδα 45
... Multiply 24 by 54 . SOLUTION . Write these as improper fractions . 21 and is obtained . Cancellation gives 12 at once . 4 4 3 16 21 X 4 1 Ħ 12 To multiply mixed quantities and whole numbers or fractions , PRACTICAL MATHEMATICS 45.
... Multiply 24 by 54 . SOLUTION . Write these as improper fractions . 21 and is obtained . Cancellation gives 12 at once . 4 4 3 16 21 X 4 1 Ħ 12 To multiply mixed quantities and whole numbers or fractions , PRACTICAL MATHEMATICS 45.
Σελίδα 46
Instruction Paper Glenn Moody Hobbs. To multiply mixed quantities and whole numbers or fractions , change the mixed quantities and whole numbers to improper frac- tions and multiply . 5 7 Example . Find the product of 2- 2 " and 6p . 8 ...
Instruction Paper Glenn Moody Hobbs. To multiply mixed quantities and whole numbers or fractions , change the mixed quantities and whole numbers to improper frac- tions and multiply . 5 7 Example . Find the product of 2- 2 " and 6p . 8 ...
Σελίδα 52
... whole numbers . The last step is to place a decimal point in the sum directly under the column of decimal points ... whole numbers . Place the subtrahend under the minuend with the decimal points directly under each other . Subtract as ...
... whole numbers . The last step is to place a decimal point in the sum directly under the column of decimal points ... whole numbers . Place the subtrahend under the minuend with the decimal points directly under each other . Subtract as ...
Σελίδα 53
... 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 in both multiplicand and multiplier , prefixing ...
... 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 in both multiplicand and multiplier , prefixing ...
Σελίδα 54
... whole numbers . The reason for this is that after the decimal point has been moved the required number of places to the right , the cipher which comes before is dropped since it has no effect on the value . In the last case it is ...
... whole numbers . The reason for this is that after the decimal point has been moved the required number of places to the right , the cipher which comes before is dropped since it has no effect on the value . In the last case it is ...
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.