These "representative fraction" scales mean that 1 unit of measurement on the map—1 inch or 1 centimeter—represents 10,000 of the same units on the ground. F) 3-Graphical scale In above video, we. Solved The representative fraction equivalent to the statement "one inch equals one mil. (a) representative fraction scale (b) direct statement scale (c) line scale (d) none of the above - i. It is an invaluable tool for map cataloguers and users and is free to download and use. Simplify Fractions Calculator. Alright, my brain wants to make this a little bit tangible and once we get some. This expresses the proportion of the scale by a fraction in which the numerator is one and the denominator also in the same unit of length. What does graphic scale mean? Information and translations of graphic scale in the most comprehensive dictionary definitions resource on the web. Specifically, we'll look at examples of each and discuss how to use them for travel and research. Scale is commonly expressed as a ratio, or representative fraction, such as 1:24,000. Description. Working with scales worksheet Here is a map of north-western Tasmania. Types of Map Scales 1. But like most ways of researching your market, it is not without its weaknesses. This measurement worksheet teaches second graders to use map scale to determine true distances. , 1/24,000 indicates that one unit on the map represents 24,000 equivalent units on the. Second, if the map is enlarged or reduced using some method of photocopying or screen display, the scale bar changes size in direct proportion to the physical size of the map. Map scale can be defined in equation form although it is not an equation. Scale (Define scale. Representative fraction scale (RF): Two other terms refer to the representative fraction scale - the fractional scale and the RF scale which is the scale ratio written in fractional form, 1/20,000. Click on the maps below to link to the exercises. Third, NO UNIT of measurement is ever given with the representative fraction. The bar scale is particularly important when enlarging or reducing maps by photocopy techniques because it changes with the map. Get a custom map ruler for any map scale you need. Handy calculators are available online. Graphic Scale: The simplest graphic scale is a bar scale. Congress or a state legislature. Representative Fraction (R. 1:100,000 - Verbal Scale 'One cm represents one km' - Graphic Scale - a line labelled with the distance it represents. Graphic scale remains accurate if a map is enlarged or reduced. For example, a scale of 1:24,000 (also written 1/24,000) means that one unit on the map is equal to 24,000 of the same units on the earth. region The study of how humans and the environment interact is called a. sqrt - construct a quantitative scale with a square root transform. Representative Fraction (RF) Scale The third method for showing scale is the representative fraction scale. THIS SKILLS BOOKLET INCLUDES ALL THE SKILLS YOU NEED FOR YEAR 8 and 9 GEOGRAPHY Yr 9 Skills Revision 2011 KRB Assessment 2 Skills Exam Macauley Island area and grid referencing in year 8 and 9 you will need to develop the following geographical skills!. Because smaller fractions mean a greater difference between the size of objects in reality and the size of their representation on the map, a map with a smaller representative fraction can actually cover a larger area of. What number (representing miles) should be written at the right end? 2. For example, the RF of 1/1,00,000 denotes that for a unit distance on the map, the ground distance is 1,00,000. (b ) Concept of longitudes -Prime. A(n) _____ scale remains correct even if the map is enlarged or reduced when reproduced. When you talk about a large scale map, it actually means this proportion is reduced. A comparison of small scale and large scale maps (Chicago) A large scale map is referred as "large" because the representative fraction (e. Statement of Scale 2. And of course you know that there are 12 inches in a foot and 5280 feet in a mile! A couple of divisions are all that are needed!). (unit - inch, centimeter, foot, finger length) - ProProfs Discuss. The RF is always written with the map distance as 1 and is independent of any unit of measure. net dictionary. Graphical Scale Each of these methods of scale has advantages and limitations. Geography Book Store. (No drawing work, only explaining their meanings). Representative fractions are expressed in the form of 1 followed by a : (colon) and then a number, where the one is the numerator in the fraction, the colon represents the division operation, and the other number is the. A spatial pattern is a perceptual structure, placement, or arrangement of objects on Earth. Seitenfunktionen. What geography term is defined as map scale which is written in words and numbers? A ratio or representative fraction using ratios to measure and calculate distances 2. Each map is at a different scale and expresses the scale in a different form: bar scale, statement of equivalency and representative fraction. This scale means one unit on the map is equal to 24,000 units on the earth. The target population is the total group of individuals from which the sample might be drawn. ground elevation, the engineers’ scale of the photograph is: which translates to an engineers’ scale of 1 in. natural scale The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. Due to the complexity of the subject, there is a need to organize it into themes that facilitate the teaching of Geography in the world’s schools, colleges, and universities. miles on the ground. Representative Fraction - 1/25 000; Ratio - 1:25 000; Two terms that are normally mentioned when discussing scale are: Large Scale - Larger-scale photos (e. If a map has a scale (representative fraction, or RF) of 1:250,000, one inch on the map represents about how many miles on the earth's surface (round your answer to the nearest mile)? (Hint: First calculate how many inches there are in a mile. 3-in-1 Study Packs.  For example the verbal scale, 1″ = 100′ means that one inch measured the the map represented 100 feet on the ground. Visual Mathematics Dictionary www. Representative Fraction (R. The Missouri Football Stadium is 12 3/4 inches from the Columbia Regional Airport on a map with a representative fraction of 1:100,000. Bar scales denote only the nominal or average map scale. ADVERTISEMENTS: Difference betwen Large Scale Maps and Small Scale Maps are: Related posts: Difference between Globes and Maps Difference: Large Scale, Small and Cottage Industry Difference between Small Scale Industry and Large Scale Industry Here is your brief note on Large Scale Industries What is the Importance of Large Scale Industries?. Here are several examples: Scale Finder (Nigel James, Bodleian Library, Map Room). Types of Scales and their constructions: When an unusual proportion is to be adopted and when the ready made scales are not available then the required scale is to be constructed on the drawing sheet itself. Scale, distance, area, etc. Map Scale Conversion Factors. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. See Also: Overviews, Geography Index. There are three techniques:. An example of an Interval scale is the Farenheit scale of temperature. Convert linear scales to representative fractions and vice-versa. a) Orion b) Milky Way c) Proxima Centauri d) Alpha Centauri e) Betelgeuse. 1:1,000,000 (this is the same as 1/1,000,000). Page 1 Geography Grade 12 www. Muckrakers would amass limitless campaigns against elites, regularly exposing the misuse of power and government corruption on a scale that those at the top could no longer contain nor have the power to withstand because the American for the first time since the revolution finally realized that the Power of the People is more Powerful than the. history and geography, and on a 0- 300 scale for civics. F) (Important) (What is RF? What is the RF of the given map?) 4. In particular, tests aim to determine whether the change in fractional glacier. Predict problems colonists will encounter later as they try to unite against the British government. Depending on your child's abilities, you may wish to review these third grade and fifth grade worksheets for additional practice materials. uniform unit c. The numerator in fractions scale is stable as 1. In sciences such as physics, geography, astronomy, meteorology and statistics, the term scale or spatial scale is used for describing or classifying with large approximation the extent or size of a length, distance, or area studied or described. Map Scale and Distance Calculator. ) into Statement of Scale in the system of measurement shown in parentheses. The scale ratio is always written as one unit on the photo or map to the corresponding number of units on the ground. Changes in scale across a single photo?. 1 inch on the map equals 24000 inches in the real world, which is the same as 2,000 feet. Cascades of geographic scale are: personal local regional national world regional global. (in press 2012). Written by teachers for teachers - maths lesson plans, teaching ideas, worksheets, games & interactives. Above video explains the concept of simple scale in geography Basically, there are three types of scales- 1- Statement scale 2-Representative fraction (R. Name_____ Physical Geography Lab Activity #04 Due date_____ Map Scale COR Objective 2, SLO 2 4. Degrees to Radians. A linear scale is a line which is divided into equal parts. Ground distances on maps are usually given in feet or miles. Please enter two values, the third will be calculated. Practical Work in Geography There are at least three ways in which this relationship can be expressed. In full size scale, the drawing is drawn with the actual measurements. These are: 1. SCALE, WORKED EXAMPLES. za NB The larger the denominator, the smaller the scale and so less detail can be shown. Representative Fraction (RF) is a numerical statement of the scale relationship. A ratio or representative fraction using ratios to measure and calculate distances 2. one inch represents 16 miles=> 1:1,013,760. ) on the illustration represents 1,000,000 of these same units on the actual surface of the Earth would have a representative fraction of 1/1,000,000 (fraction) or 1:1,000,000 (ratio). What is the representative fraction scale of a map in which one inch represents one quarter of a mile on the ground? A. Representative Fractions(rf) A representative fraction (RF) is the ratio of distance on the map to distance on the ground. Scale of a graphic material item given as a note. representative fraction synonyms, representative fraction pronunciation, representative fraction translation, English dictionary definition of representative fraction. Enter the scaling factor: If your model is 1/35, enter "35". If the scale is a representative fraction (and looks like 1/100,000), multiply the distance of the ruler by the denominator, which denotes distance in the ruler units. one inch represents one mile => 1:63,360. The target population is the total group of individuals from which the sample might be drawn. Splash Math is an award winning math learning program used by more than 30 Million kids for fun math practice. In Grade 7, instructional time should focus on four critical areas: (1) developing understanding of and applying proportional relationships; (2) developing understanding of operations with rational numbers and working with expressions and linear equations; (3) solving problems involving scale drawings and informal geometric constructions, and working. Types of Scales Civil Engineering Scale. For example the verbal scale, 1″ = 100′ means that one inch measured the the map represented 100 feet on the ground. 5 cm and the corresponding distance is 5 km on the ground. In this, the ratio between the map distance and the ground distance is denoted as a fraction, whose numerator is always one. Denominator is variable. The fraction of cancer attributable to modifiable risk factors in England, Wales, Scotland, Northern Ireland, and the United Kingdom in 2015 Skip to main content Thank you for visiting nature. Representative fraction (RF) or natural scale. 1/25,000) is a larger fraction than one on a small scale map. The graphic scale is sometimes called the bar scale, and the representative fraction is the RF or the fractional scale. Multiplication as scaling with fractions Fraction multiplication as scaling (practice) | Khan Academy Interpret how multiplying by a fraction greater or less than 1 affects the product. Linear Scale : This is also known as Graphical Scale or Plain Scale. Topographic maps 2. Types of Scales Civil Engineering Scale. Cascades of geographic scale are: personal local regional national world regional global. Specifically, we'll look at examples of each and discuss how to use them for travel and research. Which map would have the largest scale? a. It is used on maps to show the relationship between a particular distance on a map and the actual distance on the earth. Page 1 Geography Grade 12 www. What is statement scale of the given map) 3. Verbal and RF scales do not. Delp2,5 & Jure Leskovec1,6 To be able to curb the global pandemic of physical inactivity1–7 and the associated 5. In other words, how much did the cartographer have to shrink the Earth to fit the map? Scale is usually represented in one of two ways. 1:63,000 Which of the below, because of the wavelengths it uses, tends to have the low spatial resolution of Earth surface features?. Representative Fraction (R. Representative fractions are expressed in the form of 1 followed by a : (colon) and then a number, where the one is the numerator in the fraction, the colon represents the division operation, and the other number is the denominator. The usage of small as against large relates to the expressions as fractions. These divisions are somewhat arbitrary; where, on this table, mega-is assigned global scope, it may only apply continentally or even regionally in other contexts. What number (representing miles) should be written at the right end? 2. ENGINEERING DRAWING - EXAMPLE 18. On most maps, the scale is described as representative fraction. Click here for more on US Geography and the US States Be sure to check out our geography games. To determine the favourite activity of students in your school,. Map scale One inch on the map represents One. For example, 1/63,360 or 1:63,360 indicates a scale of one inch to the mile. Human geography definition, the study of the interaction between human beings and their environment in particular places and across spatial areas. 3 Different Types of Scales found on Maps 1. Scale refers to the distance on a map (or air photo) to the real distance on the ground. Scale (map scale) Representation of a real-world phenomenon at a certain level of reduction or generalization. Above video explains the concept of simple scale in geography Basically, there are three types of scales- 1- Statement scale 2-Representative fraction (R. Map Scale Conversion Factors. nice - extend the scale domain to nice round numbers. These worksheets are free to download and print and use in geography lessons at school. Date values are stored as Double, the whole part of which is the number of days since December 30, 1899, and the fractional part of which is the fraction of a day. Often, the information is used to draw conclusions about the behavior of the population. Tsetse and Trypanosomiasis: Eradication, Control. Written by teachers for teachers - maths lesson plans, teaching ideas, worksheets, games & interactives. University of Zurich Department of Geography Units Hydrology and Climate Research Publications. However, the domains of temporal and thematic scale are also important to geographers. For eg, 1:50000 means that 1 unit on map is equal to 50000 unit on ground and that unit could be inch, cm or any other unit. A) isogonic B) large C) graphic D) representative fraction E) color. Representative fraction definition is - a map scale in which figures representing units (as centimeters, inches, or feet) are expressed in the form of the fraction 1/x (as 1/250,000) or of the ratio 1:x to indicate that one unit on the map represents x units (as 250,000 centimeters) on the earth's surface. In the Main Targets for the Intermediate level I’ve mentioned history and geography of. Representative fraction (RF) or natural scale. Goodchild1 James Proctor1 1Department of Geography, and National Center for Geographic Information and Analysis University of California Santa Barbara, CA 93106-4060, USA {good,jproctor}@geog. Compare economies of the 3 colonial regions. Proceedings of the 13th International Congress on Mathematical Education ICME13, ICME 13 Monographs, Springer-Nature, Berlin-Heidelberg-New York 2018 Gabriele Kaiser Rainer und Weiss, Ysette Kaenders article MR3868736. Cool Math has free online cool math lessons, cool math games and fun math activities. [12b] Convert the line scale to a direct statement. one inch represents one mile => 1:63,360. As with scale bars, after you select this, you can change many of its properties. He gained a Ph. Thus, a scale of 1:24,000 can be expressed mathematically as 1/24,000. Which map would have the largest scale? a. Linear Scale: This scale is also known as bar scale or the scale bar. Part D: Scale. education2000. Representative. However, representative fraction avoids the use of units in detailing the scale of a map. The sun is a star in the _____ galaxy. "Do it in two steps, Lou! First, figure out how many miles on the ground one inch on the map represents. representative fraction The numerical scale of a map indicates the relationship of distance measured on a map and the corresponding distance on the ground. In this system, the distance between two points on a map and the actual distance between the two points on the ground is expressed as a ratio. 5 You can use the scale bar to measure distances on the map. The sun is a star in the _____ galaxy. DecDeg to DegMinSec. A comparison of small scale and large scale maps (Chicago) A large scale map is referred as "large" because the representative fraction (e. In this lesson, we discuss the scales used in geography: map scales and relative scales. a) Orion b) Milky Way c) Proxima Centauri d) Alpha Centauri e) Betelgeuse. What is statement scale of the given map) 3. By ScaleCalculator. As with scale bars, after you select this, you can change many of its properties. You can use a ruler to measure distances on the map and then multiply the distance by 1,000 to find out the distance on the ground. The largest scale among the following representative fractions is _____ 1:10,000 Which mapmaking method would be used to minimize distortion of continents on a world map?. scale is a ratio, or fraction, that expresses the mathematical relationship between MAP and LAND, such as 1 : 24,000. Topographic map extract Orthophoto map extract. 1”=1 Mile (or “inch to the mile”) Slide 2 Slide 3 Photo Scale Slide 5 Photo distance/ground distance pd/gd contd. Make as many as you want, a new workbook is created each time. Posted 7 months ago. In other words, they show large areas of land on a small space. Verbal and RF scales do not. A drawing that is made according to scale will be an exact copy of the real object, but will be smaller or larger than the real object. You can customize the map scale list that appears throughout your project. This measurement worksheet teaches second graders to use map scale to determine true distances. IXL is the world's most popular subscription-based learning site for K–12. A handy tool for use on an interactive whiteboard. The scale on a map is a representative fraction, so the scale of the map on the left is 1:25,000 which means that objects on the map are drawn at 1/25,000 of their actual size. Large scale / Small scale distinction is based on the representative fraction. Proceedings of the 13th International Congress on Mathematical Education ICME13, ICME 13 Monographs, Springer-Nature, Berlin-Heidelberg-New York 2018 Gabriele Kaiser Rainer und Weiss, Ysette Kaenders article MR3868736. o while the paper map is a useful metaphor for the contents of a geographic. representative: [noun] one that represents another or others: such as. Scale can be represented in three different ways: direct statement, line scale, and representative fraction. - [Instructor] We're told that Polygon Q is a scaled copy of Polygon P using a scale factor of one half. 75 x 100,000 = 1,275,000 inches / 63,360 = 20. focal length is equal to 0. How representative are instantaneous evaporative fraction measurements of daytime fluxes? J. For example, if the scales in the list display as relative fractions and you enter 1 cm = 1. The average salary for an Outside Sales Representative is $49,404. Two trains leave towns 1485 km apart at the same time and travel toward each other. For example, the topographic map above is a standard 1:24,000 USGS. These types of maps would typically be used in marine and aviation operations. Math Antics has a brand new look! Find out why: ↓ Scroll down to check out our Video Lessons. 1 inch on the map equals 24000 inches in the real world, which is the same as 2,000 feet. Convert linear scales to representative fractions and vice-versa. Note that the larger the Representative Fraction denominator, the smaller the scale and the less detail that can be shown. Download NCERT Solutions Class 11 Geography Chapter 2 Map Scale free, NCERT Solutions for Class 11 Geography for Chapter 2 Map Scale Exercise1. A verbal map scale expands abbreviations to describe a landmark or an object. Representative Fraction Of Scale Construction Technology & civil Work. scales can be compared between different maps. Statement of Scale 18 2. The minimization rate and the denominator of fraction are equal. Correct answer to the question: what is the trigonometric ratio for sin c ? enter your answer, as a simplified fraction, in the blank / (blank over blank) - brainsanswers. [1913 Webster] Note: Topography, as the description of particular places, is distinguished from chorography, the description of a region or a district, and for geography, the description of the earth or of countries. At Lund University, the analysis of satellite data at two scales is focused: Europe, and chosen drainage basins. Stoney waste 9. This scale is usually written as a fraction and is called the representative fraction. Part D: Scale. Scale is reported as a _____ with the map distance as the numerator and the ground distance as the denominator. Thus, Representative Fraction (R. tickFormat - get a formatter for displaying tick values. Verbal scales are commonly found on popular atlases and maps. For example, for a map with a scale of 1:10,000: If you measured 10 centimeters from your Point A to Point B tick marks, you would multiply 10 by 10,000 to get 100,000 centimeters. Working with scales worksheet Here is a map of north-western Tasmania. This is an online scale length converter that calculates the actual length and the scale length according to the scale ratio. Definition of Map Scale Imagine you just moved into a new house or apartment. Use this glossary to find definitions for common math terms. Also the first person to correctly divide earth into 5 climatic regions. 7(500000) = 6350000. 1:25 000) cover small areas in greater detail. In sciences such as physics, geography, astronomy, meteorology and statistics, the term scale or spatial scale is used for describing or classifying with large approximation the extent or size of a length, distance, or area studied or described. Representative assembly listed as RA. In the metric system, the liter is the basic unit of capacity. A verbal map scale expands abbreviations to describe a landmark or an object. 5 You can use the scale bar to measure distances on the map. and, as a matter of policy, the item in hand is not compared with another cartographic item of known scale. natural scale The ratio between map or photo distance and ground distance expressed as a fraction in the same unit of measurement. In this scale, you will be given a ratio and according to that, you will find the distance. Automated versions allow distilled fractions to be collected unattended. Two of these different kinds of scale are shown on your map. The units will be listed on the map, such as 1 inch or 1 centimeter. Representative Fractions(rf) A representative fraction (RF) is the ratio of distance on the map to distance on the ground. 8) A(n) _____ scale remains correct even if the map is enlarged or reduced when reproduced. It is represented in ratio, which we call Representative Fraction. Scale:1: SCALE UP This one's just for grins. Results oriented, highly motivated, self-starting sales professional with 15+ years of documented award- winning success in business-to-business, buy and bill, and medical sales. b) Representative Fraction: - (RF) = 1/100 (less than one) i. It can be expressed as 1/100,000 or 1:100,000. 分數比例尺( Representative fraction (R. Download NCERT Solutions Class 11 Geography Chapter 2 Map Scale free, NCERT Solutions for Class 11 Geography for Chapter 2 Map Scale Exercise1. Fractions scale shows, in how many pieces a piece minimized. Scale is the relationship between the size of features on a map and the size of the corresponding objects in the real world. King3,4, Scott L. 1:25 000) cover small areas in greater detail. com is dedicated to providing revolutionary ways for students and parents to learn math. Large scale, medium scale, small scale. Linear Scale:. A word statement that. ticks - get representative values from the input domain. Please enter two values, the third will be calculated. Robert Lee Williams. Explanation: The scale of the drawing is given as 1:20 that is a reducing scale, this means dimensions are made to 1/20th of full size. With a wide range of fun and interesting activities used, they help bring the studying and learning of Geography alive. 1:63,000 Which of the below, because of the wavelengths it uses, tends to have the low spatial resolution of Earth surface features?. (Don't forget, a scale of 1:182,932 means that one inch on the map represents 182,932 inches on the ground. One bright spot in the results was the improvement in Hispanic students' performance. Map scale can be defined in equation form although it is not an equation. Representative fractions are expressed in the form of 1 followed by a : (colon) and then a number, where the one is the numerator in the fraction, the colon represents the division operation, and the other number is the denominator. Scales on Drawing Sheet i) Representative fraction of the scale. Third, NO UNIT of measurement is ever given with the representative fraction. Scale (Define scale. math dictionary to view the specific definition for each math term. one inch represents one mile => 1:63,360. Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. Representative fraction scale (RF): Two other terms refer to the representative fraction scale - the fractional scale and the RF scale which is the scale ratio written in fractional form, 1/20,000. Other types of map scales include verbal scales and bar scales. 3 million deaths per year2, we need to understand. Representative Fraction (RF): Scale can be expressed as a ratio or representative fraction (RF). Maps are selective views of reality Size of the map relative to reality (scale) What’s on the map (symbolization) Shape of the map (projection) Map scale Ratio of the distance on the map to the distance on the ground Scale is a fraction Larger area covered means larger denominator Larger denominator means smaller fraction So a large-scale map. , 1/25,000) is a larger fraction than a small-scale map, which would have an RF of 1/250,000 to 1/7,500,000. One extra types of Scale that can be added in geography books:. Automated versions allow distilled fractions to be collected unattended. On most maps, the Representative Fraction is given as a ratio, which is usually 1:50,000 on topographic maps. The scale ratio is always written as one unit on the photo or map to the corresponding number of units on the ground. Demonstrate the quantitative skills necessary to succeed in Introductory Geography. It can be expressed. The scale is represented by a representative fraction (e. 1:24,000 scale (1 = 24,000) would be the same as 1 = 2,000. In some cases, you will want to control the map extent. one inch represents 1/2 mile => 1:31,680. Ratio scale is a type of variable measurement scale which is the highest level scale and is quantitative in nature. 1:1,000,000 (this is the same as 1/1,000,000). Scales and contour intervals vary on topographic maps depending on the series of the map and the relief (the variation in elevation) of the topography. Her examination of the tourism industry and how it has changed due to advances in technology, making space and distance less of a. Search for more papers by this author. Human geography definition, the study of the interaction between human beings and their environment in particular places and across spatial areas. Automatic Fraction Collectors. The map scale is printed in the map legend. Teaching Assistant, Idaho State University Department of Geosciences, 2010-2012. Map scale, or Representative Fraction (RF), is a ratio representing the relationship between a specified distance on a map and the actual distance on the ground. ) Scale – this is a ratio and is shown as 1:50 000. For instance a town plan, which is a large scale map, might be on a scale of 1:10,000, whereas the world map, which is a small scale map, might be on a scale of 1:100,000,000. A map scale of 1/50 means that 1 unit on the map is equal to 50 units on earth's surface. Discovery of biomarkers for the presence and progression of left ventricular diastolic dysfunction and HEart faiLure with Preserved ejection Fraction in patients at risk for cardiovascular disease: rationale and design of the HELPFul case-cohort study in a Dutch cardiology outpatient clinic. In the Fahrenheit scale, the freezing and boiling point of water are 32°F and 212°F, respectively. Recognition of different scales used on maps, such as large scale and small scale Recognition of change of scale on distance and size of features on maps Use of latitude and longitude to define location Different scale maps Topographic maps Scale Linear scale Ratio scale / Representative fraction Distance Use of scale to measure straight-line. In the summer of 2016, current students engaged in:. Representative Fraction (RF) Scale The third method for showing scale is the representative fraction scale. Use a tool to explore what happens when you change the numerals in a fraction. " In order to realize scale economies. By a Representative Fraction. 6 kilometers in reality. The representative fraction is the best scale if the map is not to be reproduced and changed in size because it does not rely on any particular measurement system (British, Metric). Statement of Scale 18 2. An example of an Interval scale is the Farenheit scale of temperature. Statement of a scale describes in words the distance on the map, and it's equivalent distance on Earth's surface. Topographic map extract Orthophoto map extract. Borsche1, Y. On topographical maps, the representative fraction is given as a ratio, which is 1:50 000. An example: on a map with the scale 1:20000, 3 centimeters accord to 0. 1:50000 can be shown as 1/50000 as well. Practical Work in Geography. Definition of graphic scale in the Definitions. Anybody who believes that the way to a man's heart is through his stomach flunked geography.