Junior Mathematics, Βιβλίο 1Macmillan, 1925 |
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Σελίδα vii
... problems and relate to real things . Since the geometry is concerned only with the conception of plane figures , such as line segments , angles , and areas , no algebraic functions of degree higher than the second are introduced . These ...
... problems and relate to real things . Since the geometry is concerned only with the conception of plane figures , such as line segments , angles , and areas , no algebraic functions of degree higher than the second are introduced . These ...
Σελίδα viii
... reason for bringing in new terms . Each new topic is started with a real problem impressing the pupil with the usefulness of the subject to be studied . The book contains a great many type examples , illustrating viii PREFACE.
... reason for bringing in new terms . Each new topic is started with a real problem impressing the pupil with the usefulness of the subject to be studied . The book contains a great many type examples , illustrating viii PREFACE.
Σελίδα ix
... Problems are arranged in order of difficulty determined from actual pupil - performance . There is not a problem in the book which has not been worked by pupils . In the process of finding the solutions of a problem and in the ...
... Problems are arranged in order of difficulty determined from actual pupil - performance . There is not a problem in the book which has not been worked by pupils . In the process of finding the solutions of a problem and in the ...
Σελίδα xii
... .. Practice Exercises in the Fundamental Operations . Arithmetical Problems . Tests in the Fundamental Operations . X. TABLES FOR REFERENCE . 246 273 INTRODUCTION The junior high school is recognized by its most xii CONTENTS.
... .. Practice Exercises in the Fundamental Operations . Arithmetical Problems . Tests in the Fundamental Operations . X. TABLES FOR REFERENCE . 246 273 INTRODUCTION The junior high school is recognized by its most xii CONTENTS.
Σελίδα xiv
... problem to mix , without genuine intellectual coördination , some of the materials which have heretofore been taught in the seventh and eighth grades with a few of the exer- cises which used to be given in the ninth grade or higher in ...
... problem to mix , without genuine intellectual coördination , some of the materials which have heretofore been taught in the seventh and eighth grades with a few of the exer- cises which used to be given in the ninth grade or higher in ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
acute angles adjacent angles angle equal angles are equal arcs B₁ bar graph bushels cent centimeters central angle circle circular graph compass compass and straightedge complementary angles concurrent lines construction corresponding cost decimal decimeter denoted diameter discount divided Draw a line Draw a triangle draw an angle equal numbers equation equilateral EXERCISES Find the angles Find the average Find the number formula for finding fractions given Hence hour intersecting line graph line segment literal number longitude mathematics means Measure angles meter method metric system miles minutes monomials number of degrees numerical facts paid parallel lines perigon perimeter perpendicular places polygon pounds problems protractor radius ratio right angle right triangle ruler scale drawing selling Show shown Solution Solve the following squared paper straight angle straight lines subtract supplementary angles three figures triangle ABC unit vertex yards
Δημοφιλή αποσπάσματα
Σελίδα 274 - 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 (yr.) 366 days = 1 leap year 12 months (mo.) = 1 year 10 years = 1 decade 10 decades or \ , , , „ , 1=1 century (cen. or U.) 100 years / J v ' Thirty days has September, April, June, and November; All the rest have thirty-one, Excepting February alone, To which we twenty-eight assign, Till leap year gives it twenty-nine.
Σελίδα 19 - Stand at the door of a church on a Sunday, and bid sixteen men to stop, tall ones and small ones, as they happen to pass out when the service is finished; then make them put their left feet one behind the other, and the length thus obtained shall be a right and lawful rood to measure and survey the land with, and the sixteenth part of it shall be a right and lawful foot.
Σελίδα 112 - Two triangles are congruent if two sides and the included angle of one are equal respectively to two sides and the included angle of the other.
Σελίδα 273 - Measures of Length 10 millimeters (mm) =1 centimeter cm 10 centimeters =1 decimeter dm 10 decimeters =1 meter m 10 meters =1 dekameter Dm 10 dekameters =1 hektometer Hm 10 hektometers =1 kilometer Km...
Σελίδα 137 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 275 - DRY MEASURE 2 pints (pt.) = 1 quart (qt.) 8 quarts =1 peck (pk.) 4 pecks = 1 bushel (bu...
Σελίδα 105 - If two parallel lines are cut by a transversal, the corresponding angles are equal.
Σελίδα 12 - Take the first term from the second, the second from the third, the third from the fourth, &c. and the remainders will form a new series, called the first order of
Σελίδα 98 - In a right triangle, the side opposite the right angle is called the hypotenuse and is the longest side.
Σελίδα 20 - MEASURE. 12 inches (in.) =1 foot (ft.). 3 feet (ft.) =1 yard (yd.).