# Using Brackets on the Calculator to Work Out the Value of Combined Operations

In this worksheet, students use brackets on the calculator to work out the value of combined operations.

Key stage:  KS 3

Curriculum topic:   Number

Curriculum subtopic:   Use Calculators/Technology for Accuracy

Difficulty level:

#### Worksheet Overview

In this worksheet, we will learn how to use brackets on the calculator to work out the value of combined operations.

Example

 766 - (-62.2) -212 + 43.3
=

Method

Put brackets around the (top) and brackets around the (bottom).

On your calculator, key in the following:

( 766 - ( -62.2 ) ) ÷ ( -212 + 43.3 ) =

 766 - (-62.2) -212 + 43.3
=       -4.91 (to 2 dps)

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