First Book in ArithmeticW.W. Shannon, 1905 - 256 σελίδες |
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Σελίδα 5
... Subtraction , Multiplication , and Division CHAPTER III ADDITION AND SUBTRACTION Notation Numeration ― Fractions sion ― Addition Subtraction - Objective Compound Numbers - Multiplication — Divi- - 34-42 43-114 CHAPTER IV MULTIPLICATION ...
... Subtraction , Multiplication , and Division CHAPTER III ADDITION AND SUBTRACTION Notation Numeration ― Fractions sion ― Addition Subtraction - Objective Compound Numbers - Multiplication — Divi- - 34-42 43-114 CHAPTER IV MULTIPLICATION ...
Σελίδα 28
... subtraction . ILLUSTRATION . Problems : 1. Harry , Walter , and Ethel may stand in line in front of the class . 2. How many children are standing in line , Edna ? 3. How many girls are standing in line , Fred ? 4. How many boys are ...
... subtraction . ILLUSTRATION . Problems : 1. Harry , Walter , and Ethel may stand in line in front of the class . 2. How many children are standing in line , Edna ? 3. How many girls are standing in line , Fred ? 4. How many boys are ...
Σελίδα 37
... SUBTRACTION Each lesson in addition is followed by a corresponding lesson in subtraction , and the same combinations are involved in both . Subtraction is the operation of finding the difference between two quantities . This difference ...
... SUBTRACTION Each lesson in addition is followed by a corresponding lesson in subtraction , and the same combinations are involved in both . Subtraction is the operation of finding the difference between two quantities . This difference ...
Σελίδα 38
... subtraction . After the addition com- binations have been memorized , no new number facts are necessary in order to perform the operation of subtraction . The pupil has only to learn how to apply to a new mode of expression the ...
... subtraction . After the addition com- binations have been memorized , no new number facts are necessary in order to perform the operation of subtraction . The pupil has only to learn how to apply to a new mode of expression the ...
Σελίδα 39
... subtraction may also be explained as follows : 5 15 25 Compare -3 , -13 , -23 . If both the minuend and 2 2 2 the subtrahend are increased by the same amount , the difference is not changed . The steps necessary to find the difference ...
... subtraction may also be explained as follows : 5 15 25 Compare -3 , -13 , -23 . If both the minuend and 2 2 2 the subtrahend are increased by the same amount , the difference is not changed . The steps necessary to find the difference ...
Συχνά εμφανιζόμενοι όροι και φράσεις
1ST BK acres angle answer apples birds blocks board foot boxes of berries boys cents chairs cost Change combinations Count decimal point denominator dividend division divisor dollars Eight equal f 9 h feet Find the cost Find the number foot rule four fourths Fred gallon girl bought Give a number Give the products Give the quotients grocer half halves horse i j k improper fraction indicated in Step least common multiple LESSON lower number marbles Memorize the following miles minuend mixed number months Multiply number story suggested oblong Oral Exercises Oral Problems oranges pints pounds pupils quarts ratio remainder ribbon sell sheep square inches Stand in line Study Exercises subtraction subtrahend surface of Fig tablet tell trial quotient figure unit of measure weeks whole number Write Written Exercises Written Problems yard stick
Δημοφιλή αποσπάσματα
Σελίδα 175 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30j square yards = 1 square rod (sq.
Σελίδα 251 - 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 246 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt...
Σελίδα 252 - A board foot is a piece of lumber one foot long, one foot wide, and one inch thick. To find the number of board fee.t in a piece of lumber, multiply the .length...
Σελίδα 194 - To change a mixed number to an improper fraction, multiply. .the whole number by the denominator of the fraction, add the numerator and place the sum over the denominator.
Σελίδα 245 - COUNTING. 12 units or things make 1 dozen. 12 dozen " 1 gross. 12 gross " 1 great gross. 20 units
Σελίδα 246 - NUMBERS. 12 units = 1 dozen. 12 dozen — 1 gross. 12 gross = 1 great gross. 20 units = 1 score. PAPER. 24 sheets = 1 quire. 20 quires = 1 ream. 2 reams = 1 bundle. 5 bundles = 1 bale.
Σελίδα 32 - TIME 60 seconds (sec.) = 1 minute (min.) 60 minutes =1 hour (hr.) 24...
Σελίδα 197 - If the numerator and denominator of a fraction be both multiplied or both divided by the same number, the value of the fraction is not altered.
Σελίδα 208 - Divide the whole number by the denominator of the fraction, and multiply the quotient by the numerator: Or, Multiply the whole number by the numerator of the fraction, and divide, the product by the denominator.