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

 

Year 8 Interactive Maths - Second Edition


Order of Operations

To evaluate an expression containing more than one operation, we follow this order of operations as we work through the expression from left to right:

Note that 'of ' means multiplication.


Remember:

BODMAS


Note:

After removing any brackets in an expression, work through the expression from left to right applying whichever operation comes first out of:

  • 'of ', 'division' and 'multiplication'
  • 'addition' and 'subtraction'

Alternatively, you may do all:
  •  'of ', 'division' and 'multiplication' together
  •  'addition' and 'subtraction' together


Example 12

Solution:


Key Terms

order of operations, BODMAS

 

Study Another Topic in Chapter 1: Arithmetic Revision

Basic Operations ] [ Order of Operations ] Multiples ] Factors ] Prime Numbers ] Application of Prime Numbers ] Problem Solving Unit ] Symbols ] Index ]

 

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