Unit 2 Using Fractions and Percentages

Unit 2 Using Fractions and Percentages

Unit 3 Using Fractions and Percentages Presentation 1 Addition and Subtraction of Fractions Presentation 2 Multiplication and Division of Fractions

Presentation 3 Compound Interest Presentation 4 Reverse Percentage Problem Unit 3 Using Fractions and Percentages

Addition and Subtraction of Fractions When adding or subtracting fractions, you must have the same denominator. Example: Lowest common multiple of 4 and 5 is 20 (or

) When adding or subtracting fractions, you must have the same denominator. Example: You have finished viewing the presentation Addition and Subtraction of Fractions

Please choose an option Return to the Start Presentation 2 Multiplication and Division of Fractions Presentation 3

Compound Interest Presentation 4 Reverse Percentage Problem Unit 3 Using Fractions and Percentages Multiplication and Division of Fractions

The rule is: Example: 3 is a common factor in both the numerator and denominator The rule is: Example: Example:

First Calculate Thus You have finished viewing the presentation Multiplication and Division of Fractions Please choose an option Return to the Start

Presentation 1 Addition and Subtraction of Fractions Presentation 3 Compound Interest Presentation 4

Reverse Percentage Problem Unit 3 Using Fractions and Percentages Compound Interest When An is the total amount after investing A0 for n years at r% How much is $140 worth after 10 years in an

account that pays 5% interest per year You have finished viewing the presentation Compound Interest Please choose an option Return to the Start Presentation 1

Addition and Subtraction of Fractions Presentation 2 Multiplication and Division of Fractions Presentation 4 Reverse Percentage Problem

Unit 3 Using Fractions and Percentages Reverse Percentage Problem The price of a computer is $1398, including GCT at What was the price of the computer without GCT? To add 16.5% GCT, you multiply by 1.165

To remove GCT, you divide by 1.165 Computer price You have finished viewing the presentation Reverse Percentage Problem Please choose an option Return to the Start

Presentation 1 Addition and Subtraction of Fractions Presentation 2 Multiplication and Division of Fractions Presentation 3

Compound Interest

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