1. This Mathematics Today series for classes 6 to 8 has been prepared strictly in accordance with the new syllabus prescribed by the Council for the Indian School Certificate Examinations, New Delhi.2. The series ensures complete involvement of the pupils in the learning process and is in keeping with the latest trends in the taching of Mathematics.3. To facilitate easy and better understanding each unit is divided into a number of sub-units with short and seperate practice exercises on each sub-unit.4. Unit Summary of Key Facts at the end, Mental Maths exercises, Unit Review Exercises, Historical Notes , Quizzes and Puzzles.5. Enrichment Material have been included to help the pupils to peep into the fascinating world of Mathematics and make the subject, which otherwise is considered to be dry, lively and interesting.Table of Contents1. Set Concepts2. Operations of Sets and Venn Diagrams3. Number System4. Integers5. HCF and LCM of Numbers6. Fractions7. Decimals8. Powers and Roots9. Ratio and Proportion10. Unitary Method11. Percentage, Profit and Loss and Discount12. Simple Interest13. Distance, Time and Speed14. Averages15. Algebric Expressions16. Fromula17. Exponents18. Special Products (Some Special Identities)19. Factorisation of Algebric Expressions20. Simplification of Algebric Fractions21. Linear Equations in one Variable22. Linear Inequations23. Graphs24. Relations and Mappings25. Basic Geometrical concepts Lines and Angles26. Parallel Lines27. Triangles28. Congruence of Triangles29. Polygons30. Circles31. Perimeter and Area32. Volume and Surface Arear of Solids33. Frequency Distribution and mean34. Graphical Representation of DataPractice Test Papers