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Welcome to
YahasOnline.com


Welcome to YahasOnline.com!

⏺. You can obtain summaries of grade 9, 10 and 11 Science and Mathematics lessons in both languages English and Sinhala by visiting this site. Further, if you have any suggestions or complains about anything, don't hesitate to contact us.


YahasOnline.com වෙබ් අඩවියට ඔබව සාදරයෙන් පිළිගන්නවා!

⏺. 9,10 හා 11 යන වසරවල ගණිතය හා විද්‍යාව පාඩම්වල සාරාන්ශ ඔබට මෙහිදී ලබාගත හැකිය. තවදුරටත්, මෙම වෙබ් අඩවිය පිළිබදව අදහස් හා යෝජනා ඇත්නම් අපව ඒ පිළිබදව දැනුවත් කිරීමට පසුබට නොවන්න.



Summary
Mathematics
Grade 8
  1. Number patterns
  2. Perimeter
  3. Angles
  4. Directed Numbers
  5. Algebric Expressions
  6. Solids
  7. Factors
  8. Square Root
  9. Mass
  10. Indices
  11. Symemetry
  12. Triangles
  13. Fractions
  14. Decimals
  15. Ratios
  16. Equations
  17. Percentage
  18. Sets
  19. Area
  20. Time
  21. Volume And Capacity
  22. Circles
  23. Location Of A Place
  24. Number Line And Cartesian Plane
  25. Triangle Construction
  26. Data Representation And Interpretation
  27. Scale Drawings
  28. Probability
  29. Tessallation
Grade 9
  1. Number Patterns
  2. Binary Numbers
  3. Fractions
  4. Percentages
  5. Algebric Expressions
  6. Factors Of The Algebric Expressions
  7. Axioms
  8. Angles Related to Straight Lines And parellel lines
  9. Liquid Maesurements
  10. Direct Propotion
  11. Calculator
  12. indices
  13. Round off & Scientific notation
  14. Loci & Constructions
  15. Equations
  16. Angles Of A Triangle
  17. Formulae
  18. Circumfarance Of Circle
  19. Pythagoras relation
  20. Graphs
  21. Inequalities
  22. Sets
  23. Area
  24. Probability
  25. Angles Of Polygons
  26. Algebric Fractions
  27. Scale Drawings
  28. Data Representation & Prediction

Science
Grade 8
  1. Importance of microganisms
  2. Animal Classification
  3. Diversity And Functions Of Plant Parts
  4. Properties Of Matter
  5. Sounds
  6. Magnets
  7. Measurements Associated With Electricity
  8. Changes In Matter
  9. Human Organ System
  10. Electricity
  11. Main Biological Process In Plants
  12. Life Cycle Of Living Organisms
  13. Food Preservation
  14. Phenomena And Explorations Associated With solar System
  15. Natural Disasters
Grade 9
  1. Applications Of Micro-Organisms
  2. Eye And Ear
  3. Nature And Properties Of Matter
  4. Basic Concepts Associated With Force
  5. Pressure Exerted By Solid
  6. The Human Circulatory System
  7. Plant Growth Substances
  8. Support And Movements Of Organisms
  9. The Evolutionary Process
  10. Electrolsis
  11. Density
  12. Bio-diversity
  13. Artifical Environment & Green Concept
  14. Reflection &Refraction Of Waves
  15. Simple Machines
  16. Nanotechnology & Its Applications
  17. Lightning Accidents
  18. Natural Disasters
  19. Sustainable Use Of Natural Resources
Shortnotes
Mathematics
  • Theorums
  • Fractions
Science
  • Physics
  • Chemistry
  • Biology
General Knowledge
Computing
  • How to check an IP adderess
  • How to set a static IP address
  • How to allow ping
  • How to get the control panel
  • How to enable windows fire wall
  • How to enable or create an rule in firewall
  • Fundermentals of Digital Electronic
Entertainment




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