Unit 2 Percentages Presentation 1 Presentation 2 Presentation 3 Conversion Presentation 2 Conversion: Revision Presentation 3 Percentages of Quantities Presentation 4 Quantities as Percentages Presentation 5 Percentage Increases and Decreases

Unit 2 Percentages Conversion

What is as i) decimal and ii) fraction? as a fraction in its simplest form

What is as a percentage? Express as a fraction with 100 as the denominator

What is as a percentage? Write as a fraction with 100 as the denominator

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

Unit 2 Percentages Conversion: Revision

Fractions Decimals Percentages

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

Percentages of Quantities Unit 2 Percentages Percentages of Quantities

First convert the percentage into either a fraction or decimal Find of J$76 First convert the percentage into either a fraction or decimal Decimal method

First convert the percentage into either a fraction or decimal Find of J$76 First convert the percentage into either a fraction or decimal Fraction method

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

Quantities as Percentages Unit 2 Percentages Quantities as Percentages

In a class of 25 students, there are 10 girls 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:

A book contained 80 black and white pictures and 120 colour pictures 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:

A bank pays interest of % per annum A bank pays interest of % per annum. How much interest do you get in one year if you invest J$50? Interest

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

Percentage Increases and Decreases Unit 2 Percentages Percentage Increases and Decreases

Percentage increase Example: The population of a village increased from 234 to 275 in one year. What was the percentage increase? Actual increase (to 2 decimal places)

Percentage decrease Example: A cup of sand is dried in a hot oven 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)

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