Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Math unit2 percentages

189 views

Published on

Percentage

You can Find other resources on http://www.elearnjavle.org

Published in: Education
  • Be the first to comment

Math unit2 percentages

  1. 1. Unit 2 Percentages Presentation 1 Conversion Presentation 2 Conversion: Revision Presentation 3 Percentages of Quantities Presentation 4 Quantities as Percentages Presentation 5 Percentage Increases and Decreases
  2. 2. Unit 2 Percentages Conversion
  3. 3. What is as i) decimal and ii) fraction? i) ii) as a fraction in its simplest form
  4. 4. What is as a percentage? Express as a fraction with 100 as the denominator
  5. 5. What is as a percentage? Write as a fraction with 100 as the denominator
  6. 6. You have finished viewing the presentation Conversion Please choose an option Return to the Start Presentation 2 Conversion: Revision Presentation 3 Percentages of Quantities Presentation 4 Quantities as Percentages Presentation 5 Percentage Increases and Decreases
  7. 7. Unit 2 Percentages Conversion: Revision
  8. 8. Fractions Decimals Percentages
  9. 9. You have finished viewing the presentation Conversion: Revision Please choose an option Return to the Start Presentation 1 Conversion Presentation 3 Percentages of Quantities Presentation 4 Quantities as Percentages Presentation 5 Percentage Increases and Decreases
  10. 10. Unit 2 Percentages Percentages of Quantities
  11. 11. Find of J$76 First convert the percentage into either a fraction or decimal Decimal method
  12. 12. Find of J$76 First convert the percentage into either a fraction or decimal Fraction method
  13. 13. You have finished viewing the presentation Percentages as Quantities Please choose an option Return to the Start Presentation 1 Conversion Presentation 2 Conversion: Revision Presentation 4 Quantities as Percentages Presentation 5 Percentage Increases and Decreases
  14. 14. Unit 2 Percentages Quantities as Percentages
  15. 15. In a class of 25 students, there are 10 girls. What percentage of the class are girls? The fraction of girls is: As a percentage, this is:
  16. 16. A book contained 80 black and white pictures and 120 colour pictures. What percentage of the pictures were in colour? The fraction of colour pictures: As a percentage this is:
  17. 17. A bank pays interest of % per annum. How much interest do you get in one year if you invest J$50? Interest
  18. 18. You have finished viewing the presentation Quantities as Percentages Please choose an option Return to the Start Presentation 1 Conversion Presentation 2 Conversion: Revision Presentation 3 Percentages of Quantities Presentation 5 Percentage Increases and Decreases
  19. 19. Unit 2 Percentages Percentage Increases and Decreases
  20. 20. Percentage increase Example: The population of a village increased from 234 to 275 in one year. What was the percentage increase? Actual increase Percentage increase (to 2 decimal places)
  21. 21. Percentage decrease Example: A cup of sand is dried in a hot oven. Its mass reduces from 450 grams to 320 grams. What is the percentage decrease of its mass? Actual reduction Percentage reduction (to 1 decimal places)
  22. 22. You have finished viewing the presentation Percentage Increases and Decreases Please choose an option Return to the Start Presentation 1 Conversion Presentation 2 Conversion: Revision Presentation 3 Percentages of Quantities Presentation 4 Quantities as Percentages

×