Contains 15 slides The presentation contains: Definition of the terms Selling price and Cost price. Formula for Selling price and Cost price. Overhead charges definition i.e. How to calculate the total cost. Two solved examples each on application of selling price and cost price. Formula for Profit percentage and Loss percentage. 5 real life solved problems on finding different parameters of the profit percentage and loss percentage. e.g. 1)How to find the profit when the profit percentage and total cost price is given. 2) To find the gain or loss percentage when a cost price and a selling price is given. 3) To find the selling price when the cost price and lost percentage is given. 4) To find the loss percentage when the selling price and loss price is given. 5) To find the cost price when the selling price and the loss percentage is given.

The presentation contains 15 SLIDES: Definition of Simple interest. Vocabulary on different terms used in simple interest e.g. time, principal. Formula of simple interest. Formula of Amount. Explanation of rate of interest with an example. Real life problems of finding different parameters of the formula.

The presentation contains 19 SLIDES: Statistics. Fundamental Characteristics of Data. Raw data. Types of Data. Data Handling Cycle. Data Tabulation/ Recording of data . Array with example. Organisation of data. Types of statistical data. Tables e.g. Tally chart / Frequency Distribution Table. Pictures e.g. Pictogram. Graphs e.g. Bar graph, Pie chart, Line graph, Diagrams e.g. Tree diagram, Venn diagram, Mapping or Arrow diagram. Using ICT in data handling.

The presentation contains 19 SLIDES: Learning Objectives. Definition of a Histogram. Parts of a histogram. Difference Between bar graph and histogram. Types of intervals. Tips for construction of bar graph. Steps to construct bar graph with an example. Read and Interpret a histogram.

The presentation contains 20 SLIDES: Central Tendency. Importance of Central Tendency. Types of measures of central tendency. Mean and its examples. Range and its examples. Median and its examples. Mode and its examples.

The presentation contains 22 SLIDES: Definition of symmetry. Line of symmetry. Symmetric figures. Horizontal symmetry with examples Vertical symmetry with examples Diagonal symmetry with examples Figures having two lines of symmetry with examples. Figures having multiple lines of symmetry with examples Translational symmetry with examples. Rotational symmetry with examples. Reflection symmetry with examples. Glide symmetry with examples.

The presentation contains 21 SLIDES: Constructing the formula for area of a triangle. Altitudes ( height) of a triangle. Finding the area of the triangle. Finding the height of the triangle. Finding the base of the triangle. Formula for area of an right angled triangle and its example. Formula for area of an isosceles right angled triangle and its example. Application on area of triangle.

The presentations contains 20 SLIDES: Definition of combustion The conditions necessary for combustion with examples. Forests fires. Inflammable substances. Igniting a matchstick. Types of combustion with examples. Ways to control fire. Flame. Structure of a flame. Characteristics of a good fuel. Calorific value of a fuel. Harmful effects of burning of fuels.

The presentation contains 20 SLIDES: Definition of fiber and its types. Natural fibers with example. Synthetic fibers with examples. Types of synthetic fibers. Rayon with example. Nylon with example. Polyester with example. Acrylic with example. Characteristics of synthetic fibers. Plastic. Characteristics of plastic. Thermoplastic with examples. Thermosetting plastics with examples. Properties and uses of plastics. Plastics are non –reactive. Plastic is light, strong and durable. Plastics are poor conductors. Problems with the use of plastics. Environmental friendly steps.

The presentation contains 41 SLIDES: Definition of Reproduction. Modes of reproduction. Asexual reproduction definition. Definition of Binary fission with examples. Binary fission in Amoeba. Definition of Budding with examples. Budding in Yeast. Definition of fragmentation with examples. Definition of sexual reproduction. Male reproductive organ. A sperm and its part. Female reproductive organ. An egg and its part. Definition of fertilization. Types of fertilization. Definition of Internal fertilization with examples. Fertilization in hens. Types of internal fertilization. Viviparous animals with examples. Oviparous animals with examples. Definition of External fertilization with examples. Stages of Embryo development. Metamorphosis in frog. Metamorphosis in butterfly.

The presentation contains** 20 SLIDES:** Definition of probability with examples. Random Experiment with an example. Outcome with an example. Sample space with an example. Event with an example. Probability formula. Example of tossing a coin once, twice and thrice. Example of throwing a die once and twice. Example of spinning wheel. Example of 52 deck of cards.

The presentations contains 21 SLIDES: Construction of formula to find the area of circle. Finding the area of a circle using the formula. Finding the area given the diameter and examples. To calculate the area of the different shapes. Area between Two Concentric Circles. Example on two concentric circles.

The presentation contains 20 SLIDES: Definition of mangrove. Geographical Regions. Geographical distribution of mangroves in India . Types of mangroves. Black mangrove with examples. Red mangrove with examples. White mangrove with examples. Mangrove functions. Mangrove uses. Mangrove threats. Mangrove restoration.

The presentation contains 22 slides: What is Air pollution ? The types of air pollutants. Sources of air pollution. Natural Sources. Human Sources. Effects of air pollution on humans. Smog. Effects of Smog. Chlorofluorocarbons. Sources of chlorofluorocarbons. Ozone Layer. Hole in the ozone layer. Effects of Ozone depletion. Acid Rain. Marble Cancer. Greenhouse Effect. Consequences of Global warming.

The presentation contains 20 SLIDES: Definition of variation. Types of variation. Direct variation with example. Inverse or indirect variation with example.

Contains 31 slides Objective: The student will be able to identify whether a given shape has symmetry, to draw the line of symmetry, how many lines of symmetry a shape can have and the type of symmetry the shape has like horizontal, vertical and diagonal. The Presentation contains: The symmetry, lines of symmetry and the types of lines of symmetry of the given geometrical shapes. Examples of Triangles: Scalene Triangle Equilateral Triangle Isosceles Triangle Isosceles Right Triangle Circle Semicircle Quadrilateral and its examples Trapezoid Isosceles Trapezoid Right Trapezoid Parallelogram Rectangle Rhombus Square Kite One example each for an irregular and regular polygon. Pentagon Hexagon Heptagon Octagon Nonagon Decagon Dodecagon The formula for the number of lines of symmetry a regular polygon can have through observations from the previous examples. Line Angle

The presentation contains 20 SLIDES: Learning Objectives. Definition of a Pie Chart. Tips for construction of pie chart. Steps to construct a pie chart with an example. Scaling and drawing a pie chart. Read and Interpret a pie chart.

The presentation contains 22 SLIDES: Learning Objectives. Definition of a double bar graph. Parts of a double bar graph. Difference between bar graph and double bar graph. Tips for construction of double bar graph. Steps to construct double bar graph with an example. To read and interpret the double bar graph.

The presentation contains 22 SLIDES: Learning Objectives. Definition of a tally mark. Uses of tally mark. How to count a tally mark. Tally Mark Chart. Construction of a tally mark table with an example. Application on real life problems on tally mark. Read and Interpret a tally mark table.

The presentation contains 20 slides: Real life application. Mathematician behind the Cartesian system . Ordered pair with examples. Coordinate Planes. Quadrants. The signs of each of the Quadrant with examples. Way of locating points on a graph paper.