G S Rehill's Interactive Maths Software Series - "Building a Strong Foundation in Mathematics" from mathsteacher.com.au.

 

Year 8 Interactive Maths - Second Edition


Percentages

A percentage is a fraction that is written out of 100.

For example, 15 per cent means 15 parts out of 100.  The term per cent means per one hundred.  The symbol used for per cent is %.

Note:


From the preceding discussion, we notice that:

A percentage is the numerator of a fraction with a denominator of 100.


Converting a Percentage to a Fraction

To convert a percentage to a fraction, write it as a fraction with a denominator of 100 and then simplify the fraction if possible.


Example 1

Express 65% as a fraction.

Solution:

 


Mixed Number Percentage

To convert a mixed number percentage to a fraction, change the mixed number to an improper fraction, write the percentage as a fraction with a denominator of 100 and simplify the fraction if possible.


Example 2

Solution:


Key Terms

percentage, per cent, mixed number percentage

 

Study Another Topic in Chapter 8: Consumer Arithmetic

[ Percentages ] Converting a Percentage to a Decimal ] Converting a Fraction or Decimal to a Percentage ] Finding a Percentage of a Quantity ] Expressing One Quantity as a Percentage of Another Quantity ] Application of Percentages ] Percentage Decrease ] Profit ] Loss ] Discount ] Commission ] Problem Solving Unit ] Projects ] Symbols ] Index ]

 

Study Another Chapter
 

| Home Page | Order Software | About the Series | Maths Software Tutorials

| Year 7 Maths Software | Year 8 Maths Software | Year 9 Maths Software |

| Year 10 Maths Software | Home Software | Desktop Schools |

| Notebook Schools | Tutor Software | Software Platform | Trial Software |

| Feedback | Year 7 Maths Reading | Year 8 Maths Reading |

| Year 9 Maths Reading | Year 10 Maths Reading | About mathsteacher.com.au |

| Our Policies | Terms and Conditions | Links | Contact |

 

Our www.mathssoftware.co.nz Website is now available for New Zealanders.

 

Copyright © 2000-2009 mathsteacher.com Pty Ltd.  All rights reserved.

Australian Business Number 53 056 217 611

 

Please read the Terms and Conditions of Use of this Website and our Privacy and Other Policies.

If you experience difficulties when using this Website, tell us through the feedback form or by
phoning one of our contact telephone numbers.