OPEN TEXT MATERIAL CLASS: VIII SUBJECT:MATHEMATICS THEME -SPORTS & BALANCED DIET Abstract Games and sports are the source of enjoyment, amusement and pleasure. No other living being but man needs games and sports for his mental recreation. All other living beings need only the ways and means of living and surviving, because they strive for food and satisfy hunger. Men are the rational beings and they need to develop their faculties to expose themselves in various fields. So, they require the soundness of body and mind for which games ,sports and healthy food are necessary. Over the past decade terms such as ‘data handling’, ‘exploratory data analysis’ and ‘data visualization’ have replaced the use of the term ‘statistics’ in the secondary curriculum. The current meaning of data handling emphasizes collecting, organizing, representing, analyzing and interpreting data closely connected to the world of the pupils. The visual representation of data is of major importance at the secondary level. Data handling is seen as going beyond statistics (the science of data collection, representation, analysis and interpretation for decision making). Statistics can be said to be the content, data handling is the whole learning environment in which data are explored. A double bar graph is used to comparison. Given Bar graph shows liking of various fruits of Class VIII-A & VIII-B. Banana Papaya Class VIII-B Orange Class VIII-A Apple Mango 0 10 20 30 Page 1 40 50 Table given below shows liking different games. Name of game Football Cricket Hockey Throw ball Number of students 15% 25% 50% 10% Pie graph of above data : football 10% cricket 15% football cricket throwball 50% hockey throwball hockey 25% Graphical representation of Cartesian Plane (Linear Graph) Page 2 (iii) (iv) Sample questions: 1. 2. 3. 4. 5. 6. 7. 8. 9. → → What is the angle between OX and OY. Name figure OABC,PQRS & LMK? What are co-odinates origin? Name the co-ordinates of point P,A,L from figure (iv) If X co-ordinate is 0 (zero) then the line lies on which axis? If Y co-ordinate is 0 (zero) then the line lies on which axis? Find the co-ordinate of point Z in Fig (iii) ? Ratio of students liking banana in VIII-A & VIII-B. Which game students like the least? Page 3