English system use inch, yard, and mile in measurement. 1. …to a Direct Statement Scale 1. 2. Common Length and Distance Conversions ; Length or Distance Converter As with representative fractions, verbal scales are often used on large-scale maps and planning documents, most frequently used by civil engineers. © 1 cm represents = 50000 cm or 500 metres. This provides the representative fraction. ): An R.F. 1:100000 (into km). 1 cm represents = 1000000 ÷ 5 =200000. https://www.zigya.com/share/R0VFTjExMDA0MTQ3. 1 inch represents 1 yard. Representative Fraction (R.F.) © Here such a scale means that one unit of measurment on the map is equal to 50000 of the same unit on the ground. Scale, Scale Conversion. 1 cm represents = 1000000 ÷ 5 =200000. is 1: 50000 and read the distance in km and metres. 4. 1 inch (in) = 2.54 centimeters 1 centimeter (cm) = 0.39 inch 1 foot (ft) = 12 inches = 30.5 centimeters = 0.3 meter 1 yard (yd) = 36 inches = 3 feet = 91.44 centimeters = 0.9 meter The numerator signifies the length on map and the denominator signifies the length on terrain. Scale – this is a ratio and is shown as 1:50 000. 1. What are the two different systems of measurement ? To effectively use maps you need to convert measurements from map units to ground units. 232, Block C-3, Janakpuri, New Delhi, Scale Conversion: 02. What are the major advantages of graphical method ? According to Science Encyclopedia, a statement of scale may also use a verbal relationship rather than a numeric ratio. This creates problems in measurement. Key Terms: 01. Maps represent areas and features, but not at their actual size. The minimization rate and the denominator of fraction are equal. 1 cm represents = 50000 cm or 500 metres. Here, 1 cm map distance representing 1,00,000 cm ground distance. Why is the Representative Fraction method called a universal method ? Which one of the following methods of scale is a universal method ? Click on the maps below to link to the exercises. Map distance in a scale is also known as : Convert the given Representative Fraction (R.F.) Ltd. Download books and chapters from book store. Representative Fraction, Graphical scale, Linear scale and Comparative scale, Statement scale all are various categories of scale. Convert the representative fraction or ratio to a direct statement scale. 1cm = 100,000 cm 2. To insert an RF on your map, click Insert on the top bar menu, then select Scale Text. 2. Do the same for a medium-scale map with an RF of 1:75,000 (1 inch to x miles). Download the PDF Question Papers Free for off line practice and view the Solutions online. 232, Block C-3, Janakpuri, New Delhi, A statement of scale used as an example is 1:100,000, which means that every one unit on the map corresponds to 100,000 units on the Earth. 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 order to convert the direct statement 1 em to 2.5 km into a represen­ tative fraction, you would use the following process: l em= 2.5 km Linear Scale. 2020 Zigya Technology Labs Pvt. Distance and Direction on Maps. Other scale types - click on each phrase to go to the detailed glossary entry. It can be used in all countries and also termed as International Scale. Correct answer to the question: Reading and using statement of scale, scale and scale shown by representative fraction method. For example, a map may show a … 2 inches represents 4 miles. 1 cm represents 100 metres. (i) It can be understood only by those who are familiar with the unit of measurement used. Scale tells the size relationship between the map or model and the real earth. (iii) It gives correct idea about distance. Large-scale maps show smaller areas in more detail, such as county maps or town plans might. A ratio or representative fraction using ratios to measure and calculate distances 2. SCALE. A large scale map covers a small area while a small scale map covers a large area. into Statement of Scale in the system of measurement shown in parentheses. And for a small-scale map with an RF of 1:225,000 (1 inch to x miles) 2. Scale Length Area Description Micro: 1 m – 1 km: 1 m 2 – 1 km 2: local Meso: 1 km - 100 km: 1 km 2 - 10,000 km 2: regional Macro: 100 km - 10,000 km: 10,000 km 2 - 100,000,000 km 2: continental Mega > 10,000 km > 100,000,000 km 2: global For instance, in physics an object or phenomenon can be called microscopic if too small to be visible. Convert linear scales to representative fractions and vice-versa. Here's an example: Tillsonburg, ON to Toronto, ON is 5 cm apart. RF - Representative Fraction Scale of the map, A (cm) - actual distance - a number of centimetres on the ground surface, represented by 1 centimetre (1 cm) on a map, B (km) - value of one small incriment of a Bar Scale, C (cm) - length of the "B" incriment measured on a Bar Scale. Converting Between Scale Types of Historic and Modern Maps, page 3 Converting Representative Fraction (RF)/Ratio Scale to Lexical Scale English and Metric Measures of Length to use:. Representative Fraction Scale: 05. These are: 1. In Representative Fraction (R.F) values are represented in ratio format. 3. It can be written in three ways, the verbal scale, the graphic scale, and the representative fraction (RF) or fractional scale. CONVERSION OF SCALE If you have carefully read the advantages and limitations of the different methods of scale, then it will not be difficult for you to convert the Statement of Scale into Representative Fraction and vice-versa. The verbal scale is a simple statement of the scale such as one inch equals one mile or 1" = 1 mile Construct a graphical scale when the given R.F. For example, to convert the R.F. As 1 km= 1,00,000 cm. 1. The representative fraction for the map is shown along the top bar menu in ArcMap. Because an R.F. How to convert map scales (convert to ratio scale) - YouTube ), it means that the R.F. - eanswers-in.com Representative Fraction (RF) - Fractional Scale - Ratio Scale: 1:50000 represents the map scale as a mathematical ratio or fraction, thus the name ratio scale or fractional scale. This can be shown as 1:50, 000 or 1/50, 000. Convert the given Representative Fraction (R. F.) into Statement of Scale in the System of Measurement shown in parentheses: 1 : 100,000 (into km) 1 : 31680 (into furlongs) 1 … Ltd. Download books and chapters from book store. Give its advantages and disadvantages ? 5 cm represent 10 km. Here are several examples: Scale Finder (Nigel James, Bodleian Library, Map Room). It means that one unit on the map represents 50 000 of the same units on the Earth’s surface. Click here to get an answer to your question ️ Convert a representative fraction 1: 100,000 (into km) into a statement scale Delhi - 110058. You will find them on some smaller scale maps but not as often as you will representative fractions. Representative Fraction (R.F.) scale is a ratio, or fraction, that expresses the mathematical relationship between MAP and LAND, such as 1 : 24,000. which means "1 map unit is equivalent to 24,000 land units." 5 cm represents = 10 km or 1000000 cm. Fractions scale shows, in how many pieces a piece minimized. The graphical scale stands valid even when the map is reduced or enlarged. carries no units (inches, centimeters, etc. into Statement of Scale in the system of measurement shown in parentheses. Convert the direct statement scale units to a create a mixed unit direct statement scale (km) 1cm = 1 km 3. 1: 31680 (into furlongs). What is statement of scale ? Scale: 03. Question 3(ii). Download the PDF Question Papers Free for off line practice and view the Solutions online. https://www.zigya.com/share/R0VFTjExMDA0MTU5. scales can be compared between different maps. Convert the following representative fractions into a word statement: (3 points) Express the scale of a large-scale map with an RF of 1:15,000 (1 inch to x feet). : Give one example each of statement of scale in Metric and English system. The units may be in centimeters or inches. Delhi - 110058. Such maps are called large scale because the representative fraction is relatively large. Convert the given Statement of Scale into Representative Fraction (R.F.) Convert the given Representative Fraction (R.F.) 2020 Zigya Technology Labs Pvt. Some standard map scales already have the verbal scales calculated and you could easily use that. The reduction of an area is known as the scale of a map. The first choice on this dialog, “Absolute Scale”, is a representative fraction (figure 3). (i) This is very simple method which is understood even by a common man. 3. If the R.F. For example, one centimeter on the map equals 100,000 centimeters, or one kilometer, on the Earth. 1600000 X 5 = 800000 divided by 100000 = 80 km. is 1:50 000 then 1 cm on the map represents 50 000 cm on the Earth’s surface. : 1. To convert a Representative Fraction scale to a direct statement scale, divide the denominator by 100000, to change centimetres into kilometres. SCALE CAN BE SHOWN ON A MAP IN THREE WAYS To convert an R.F. For example, if we say that the scale of a map is 1 cm : 1 km, it would be understood by only that person who is familiar with the metric system of measurement. Converting a Direct Statement Scale to an RF Scale To convert from a direct statement scale back to an RF scale, multiply the right side of the equation by 100 000, to change kilometres into centimetres. Convert the given Statement of Scale into Representative Fraction (R. F.). Convert the given Statement of Scale into Representative Fraction (R.F.) 5 cm represents = 10 km or 1000000 cm. They are called small scale because the representative fraction is relatively small. Create a line scale that uses your new mixed unit direct statement scale. 1" represents 2 miles.4. (no drawing work only, explaining their meanings.) 2. Denominator is variable. A word statement that states the conversion of base units and is also a description of a map distance 3. Statement of Scale into R. F. Problem Convert the given Statement of Scale of 1 inch represents 4 miles into R. F. Solution The given Statement of Scale may … Representative Fraction: A method of scale of a map or plan expressed as a fraction showing the ratio between a unit distance on the map or plan, and the distance measured in the same units on the ground. 1: 50,000 (into metres) R. F. : 1 : 200000 2. Representative Fraction (R.F. If the scale is 1:1600000, how many km is it? (ii) When a map is reduced or enlarged from the original, the scale does not remain the same. (ii) It requires little time to express this scale. Glossary not to be republished ©NCERT. At a map scale of 1:100000, 1 kilometer on the ground is equivalent to 1 millimeter on the map. Each map is at a different scale and expresses the scale in a different form: bar scale, statement of equivalency and representative fraction.Before you start the exercises you can click on the buttons below to review the concept of scale, how to convert units, convert fractions to decimals and/or use a protractor. Question 3(i) 5 cm represents 10 km Answer: Representative Fraction Distance on Map = 5 cm Distance on Ground = 10 km Representative Fraction = $$\frac{5}{10}$$ = $$\frac{1}{2}$$ km or 2,00,000 Therefore representative fraction = 1 : 2,00,000 cm. The numerator in fractions scale is stable as 1. 1:126,720 (into miles) 4. Handy calculators are available online. 1:50000 can be shown as 1/50000 as well. Eg. method called a universal method because of its usefulness on global scale. Direct Statement Scale: 04. 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