Unit 3 Using Fractions and Percentages - PowerPoint PPT Presentation

Loading...

PPT – Unit 3 Using Fractions and Percentages PowerPoint presentation | free to view - id: 6ce43d-ZWUzM



Loading


The Adobe Flash plugin is needed to view this content

Get the plugin now

View by Category
About This Presentation
Title:

Unit 3 Using Fractions and Percentages

Description:

Unit 3 Using Fractions and Percentages Presentation 1 Addition and Subtraction of Fractions Presentation 2 Multiplication and Division of Fractions – PowerPoint PPT presentation

Number of Views:123
Avg rating:3.0/5.0
Slides: 17
Provided by: MattB171
Category:

less

Write a Comment
User Comments (0)
Transcript and Presenter's Notes

Title: Unit 3 Using Fractions and Percentages


1
Unit 3Using 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
2
Unit 3Using Fractions and Percentages
  • Addition and Subtraction of Fractions

3
  • When adding or subtracting fractions, you must
    have the same denominator.
  • Example

Lowest common multiple of 4 and 5 is 20
4
  • When adding or subtracting fractions, you must
    have the same denominator.
  • Example

5
You have finished viewing the presentation
Addition and Subtraction of FractionsPlease
choose an option
Return to the Start
Presentation 2 Multiplication and Division of Fractions
Presentation 3 Compound Interest
Presentation 4 Reverse Percentage Problem
6
Unit 3Using Fractions and Percentages
  • Multiplication and Division of Fractions

7
  • The rule is
  • Example

3 is a common factor in both the numerator and
denominator
8
The rule is Example
9
  • Example
  • First Calculate
  • Thus

10
You have finished viewing the presentation
Multiplication and Division of FractionsPlease
choose an option
Return to the Start
Presentation 1 Addition and Subtraction of Fractions
Presentation 3 Compound Interest
Presentation 4 Reverse Percentage Problem
11
Unit 3Using Fractions and Percentages
  • Compound Interest

12
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

13
You have finished viewing the presentation
Compound InterestPlease 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
14
Unit 3Using Fractions and Percentages
  • Reverse Percentage Problem

15
  • 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

16
You have finished viewing the presentation
Reverse Percentage ProblemPlease 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
About PowerShow.com