School Arithmetic for Grammar GradesAmerican Book Company, 1909 - 371 σελίδες |
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Σελίδα 6
... Partnership Problems for Oral and Written Longitude and Time . • Review 305 Metric System . 306 . Agricultural Problems 316 Test Problems 325 · • · General Review 330 • Reference Tables 345 Government Land Measures . Index . 349 6 CONTENTS.
... Partnership Problems for Oral and Written Longitude and Time . • Review 305 Metric System . 306 . Agricultural Problems 316 Test Problems 325 · • · General Review 330 • Reference Tables 345 Government Land Measures . Index . 349 6 CONTENTS.
Σελίδα 15
... written to the right and a little above the number to show how often it is used as a factor ; thus , 33 = 3 x 3 x 3 = 27 ; 24 = 2 x 2 x 2 x 2 = 16 . 7. What number will divide 9 and 10 ? 21 and 25 ? Numbers are prime to each other when ...
... written to the right and a little above the number to show how often it is used as a factor ; thus , 33 = 3 x 3 x 3 = 27 ; 24 = 2 x 2 x 2 x 2 = 16 . 7. What number will divide 9 and 10 ? 21 and 25 ? Numbers are prime to each other when ...
Σελίδα 18
... Written Work 1. Find the greatest common divisor of 56 , 98 , 154 . 256 98 154 7 28 49 77 4 7 11 As the g.c.d. of two or more numbers is the product of all their common prime factors , divide the numbers by their common prime factors ...
... Written Work 1. Find the greatest common divisor of 56 , 98 , 154 . 256 98 154 7 28 49 77 4 7 11 As the g.c.d. of two or more numbers is the product of all their common prime factors , divide the numbers by their common prime factors ...
Σελίδα 19
... Written Work 1. Find the 1. c . m . of 18 , 32 , and 40 . 18 = 2x3x3 32 = 2x2x2x2x2 40 = 2x2x2x5 1. c . m . 25 x 32 x 5 , or 1440 . = × The 1. c . m . of two or more numbers is the product of all their prime factors , each factor being ...
... Written Work 1. Find the 1. c . m . of 18 , 32 , and 40 . 18 = 2x3x3 32 = 2x2x2x2x2 40 = 2x2x2x5 1. c . m . 25 x 32 x 5 , or 1440 . = × The 1. c . m . of two or more numbers is the product of all their prime factors , each factor being ...
Σελίδα 21
... Written Work 1. Divide 3 × 6 × 8 × 20 by 11 × 4 × 20 . 2 3 × 6 × 8 × 20 11 x 4 x 20 36 11 - 33 Write the dividend above and the divi- sor below a line . First cancel the 20 from dividend and divisor . Then cancel the factor 4 from 8 in ...
... Written Work 1. Divide 3 × 6 × 8 × 20 by 11 × 4 × 20 . 2 3 × 6 × 8 × 20 11 x 4 x 20 36 11 - 33 Write the dividend above and the divi- sor below a line . First cancel the 20 from dividend and divisor . Then cancel the factor 4 from 8 in ...
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30 days acres altitude angle annual average barrel base bill board foot bonds Bordeaux mixture bought brokerage bushel buys cash cent Chicago commission contains convex surface corn cube cylinder denominator diameter discount divided dividend divisor dollar draft equal factors farm Find the amount Find the cost Find the number Find the nutritive Find the value foot fractional units gain gallons grain gram inches income indorsed interest invested JOSEPH HORNE CO length long ton longitude merchant meridian meter miles months multiplying nutritive ratio paid par value Paris green payable payment phosphoric acid Pittsburg pound premium prime meridian prism profit purchased pyramid quotient received selling Sept share side slant height sold solid specific gravity spraying square yard subtracted timothy hay tons triangles unit of measure volume wide Written
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Σελίδα 321 - The slant height of a cone is the distance between the vertex and any point in the circumference of the base. A globe or sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within, called the center.
Σελίδα 25 - Multiplying or dividing both terms of a fraction by the same number does not change its value. Changing a fraction to higher terms. 1. Explain why a fraction is expressed in smaller fractional units when it is changed to higher terms. 2. Explain why changing a fraction to higher terms does not change the value of the fraction. Change:
Σελίδα 12 - MULTIPLICATION AND DIVISION Multiplication is the process of taking one number as many times as there are units in another. The multiplicand is the number multiplied. The multiplier is the number by which we multiply. The product is the result of multiplication. The sign x indicates multiplication.
Σελίδα 321 - The slant height of a pyramid is the altitude of the triangles that bound it. A cone is a solid whose base is a circle, and whose convex surface tapers uniformly to a point called the vertex. The altitude of a pyramid, or of a cone, is the perpendicular distance from the vertex to the base.
Σελίδα 290 - Observe how the product of the extremes in each proportion compares with the product of the means. In every proportion the product of the means is equal to the product of the extremes. 1.
Σελίδα 289 - denominator Since the antecedent of a ratio may be regarded as the numerator, and the consequent as the denominator of a fraction, both terms of a ratio may be multiplied or divided by the same number without changing the value of the ratio. Find the ratio of : 3. 4. 5. 6. 10 to 5 5 to 15 8 to 2
Σελίδα 319 - MENSURATION Rectangular surfaces, rectangular solids, and the cylinder have been treated under Practical Measurements. REGULAR POLYGONS A plane is a surface such that a straight line joining any two of its points lies wholly in the surface. A polygon is a plane figure bounded by straight lines. A regular polygon is a plane figure having equal sides and equal angles.
Σελίδα 136 - means three.") A vertex of a triangle is a point where two sides meet. The base of a triangle is the side on which it seems to rest. The altitude of a triangle is the perpendicular distance from the vertex opposite the base to the base, or the base extended. TRIANGLES