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Ratio A ratio – is a way of comparing quantities measured in the same units Examples of ratios NOTE: Ratios can be simplified like fractions A Ratio in its Simplest Form Express a ratio in its simplest form Example 1 Simplify
Rational Numbers A Rational Number Define a rational number A Rational Number is a real number that can be written as a simple fraction (i.e. as a ratio). Most numbers we use in everyday life are Rational Numbers. Number As a Fraction Rational?
An algebraic expression – is a collection of numbers, variables, operators and grouping symbols. Variables – are letters used to represent one or more numbers
Points and Lines The Concept of a Point Explain the concept of a point A point – is a smallest geometric figure which gives a position of object in a plane A line segment – is a straight line joining two points
Measurements can be rounded to a certain number of significant figures. Approximation- is a process of rounding numbers to a certain degree of accuracy. A number can be rounded to a certain required place value such as to the nearest
A unit – is defined as a symbol or sign which is assigned to a number to describe a kind of measurement made
Decimals The Concept of Decimals Explain the concept of decimals A decimal- is defined as a number which consist of two parts separated by a point.The parts are whole number part and fractional part Example 1 Example 2 Conversion of
A fraction is a number which is expressed in the form of a/b where a – is the top number called numerator and b– is the bottom number called denominator.
We know that when we count we start 1,2 …. . But there are other numbers like 0, negative numbers and decimals. All these types of numbers are categorized in different groups like counting numbers, integers,real numbers, whole numbers and
Geophysics is a branch of science that deals with the physical, chemical, geological, astronomical and other characteristic properties of the earth. It deals with geological phenomena such as the temperature distribution of the earth’s interior, the source, configuration and the
What is Agriculture? Agriculture refers to a fundamental human activity, which i...
POPULATION STUDIES Is the general activities carried out for the purpose of acqu...
CONCEPT OF SOIL AND SOIL PROFILE Soil appears very complex and thus differe...
GROUND WATER WATER CYCLE Rain falls on the earth surface in filtrates (soaks int...
THEORIES THEORY OF ISOSTASY Denudation has been going on the continents where to...
GLOBE Is the model of the earth Earth Is ball of rock partly covered by wat...
Photograph are the true image pictures showing truly appearance of the earth’s...
What is a map? Map is a scaled conventional representation of the whole or any o...
INTRODUCTION TO SURVEYING Surveying is an art or a science of measuring and reco...
Definitions of Research – Research is the systematic investigation into a...
STATISTICS Statistics is a branch that deals with every aspect of the data. Stat...
