School Arithmetics: Book One-threeGinn, 1920 - Arithmetic |
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Page iii
... given to the pupils those fundamental elements of the subject which assure the command of numbers that will be needed in after life . For the convenience of teachers the book has been divided into four chapters , each chapter containing ...
... given to the pupils those fundamental elements of the subject which assure the command of numbers that will be needed in after life . For the convenience of teachers the book has been divided into four chapters , each chapter containing ...
Page 2
... given to the distinction between notation ( the writing of numbers ) and numeration ( the reading of numbers ) or to the memorizing of such definitions as those given on this page . ee Schools should recognize the modern reading of ...
... given to the distinction between notation ( the writing of numbers ) and numeration ( the reading of numbers ) or to the memorizing of such definitions as those given on this page . ee Schools should recognize the modern reading of ...
Page 6
... given numbers together is called addition . The numbers added are called addends , and the result is called the sum . Unit . A unit is any standard used in measuring or counting . Thus , in speaking of $ 8 the unit is $ 1 ; in speaking ...
... given numbers together is called addition . The numbers added are called addends , and the result is called the sum . Unit . A unit is any standard used in measuring or counting . Thus , in speaking of $ 8 the unit is $ 1 ; in speaking ...
Page 9
... . Particular attention should be given to oral drill in addition by endings . The pupil should think of 15 +13 as 15 +10 + 3 , or 25 + 3 , and of 25 +17 as 25 +10 +7 , or 35 +7 . Add the following : ORAL SPEED TEST 1. 26 2. ADDITION 9.
... . Particular attention should be given to oral drill in addition by endings . The pupil should think of 15 +13 as 15 +10 + 3 , or 25 + 3 , and of 25 +17 as 25 +10 +7 , or 35 +7 . Add the following : ORAL SPEED TEST 1. 26 2. ADDITION 9.
Page 13
... given numbers makes the larger . Since a great deal of subtraction is " making change , " where the work is based on addition , the latter definition is often preferred . Subtrahend . The number which is subtracted is called the ...
... given numbers makes the larger . Since a great deal of subtraction is " making change , " where the work is based on addition , the latter definition is often preferred . Subtrahend . The number which is subtracted is called the ...
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Common terms and phrases
9 ft acre alfalfa amount arithmetic automobile average bought bushel called cancel cent cloth coal common fraction compound numbers contains corn cubic foot dealer pays decimal fraction decimal places decimal point denominator discount distance Divide the following dividend divisible divisor dozen Draw a plan DRILL example Express factor figures Find the area find the cost Find the number Find the value flour following numbers gallons greatest common divisor height hundredths hundredweight improper fraction inches LEARNED least common multiple lowest terms marked price measure mile mixed number Multiply the following oral oranges parallelogram perimeter piece of land potatoes pound problems pupils quart quotient rectangle reduce remainder rent result rods Roman numerals scale seed sells short method side sold solve strip subtract teacher thick triangle weighs whole number wide worth write yard
Popular passages
Page 291 - 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...
Page 292 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal...
Page 113 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes = 1 hour (hr.) 24 hours = 1 day (da.) 7 days = 1 week (wk.) 365 days = 1 common year...
Page 107 - 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.
Page 109 - 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...
Page 214 - A B A triangle with a right angle is called a right triangle. The side opposite the right angle in a right triangle is called the hypotenuse of the right triangle.
Page 22 - Multiplication is the process of taking one number as many times as there are units in another.
Page 33 - To divide an integer by any power of 10, cut off as many figures from the right of the dividend as there are zeros at the right of the divisor.
Page 47 - Since the numerator and denominator of a fraction may be multiplied by the same number without changing the value of the fraction, they may also be divided by the same number without changing its value ; for this is only undoing the previous multipli, cation.
Page 110 - WEIGHT 16 ounces (oz.) = 1 pound (Ib.) 100 pounds =1 hundredweight (cwt.) 2000 pounds = 1 ton (T...