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

Order a 12-month Year 7 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 8 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 9 Interactive Maths software Homework Licence for only $19.95. Order a 12-month Year 10 Interactive Maths software Homework Licence for only $19.95.

Year 8 Interactive Maths - Second Edition


Problem Solving 5

Read the problem carefully and describe it by an equation.  Then solve the equation and write the answer as a sentence.


Example 17

The sum of three consecutive numbers is 87.  What are the numbers?

Solution:

Let the smallest number be n.
The word consecutive means one after the other.  So, the next two consecutive numbers after n will be n + 1 and n + 2.

So, the three consecutive numbers are 28, 29 and 30.


Example 18

Use the information given in the following diagram to form an equation and then solve it to find the value of the pronumeral.

Solution:


| Home Page | Order Maths Software | About the Series | Maths Software Tutorials |
| Year 7 Maths Software | Year 8 Maths Software | Year 9 Maths Software | Year 10 Maths Software |
| Homework Software | Tutor Software | Maths Software Platform | Trial Maths Software |
| Feedback | About mathsteacher.com.au | Terms and Conditions | Our Policies | Links | Contact |

Copyright © 2000-2022 mathsteacher.com Pty Ltd.  All rights reserved.
Australian Business Number 53 056 217 611

Copyright instructions for educational institutions

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 the contact telephone number.