Overview
Audio for slide 1 (mp3 |6|KB)
There are some calculations you can do in your head.
Counting items and working out simple quantities are calculations that people do all the time, almost without thinking about it.
But as the numbers get bigger or more complex, most people need to use a calculator to be sure that they've got the right result.
Counting items and working out simple quantities are calculations that people do all the time, almost without thinking about it.
But as the numbers get bigger or more complex, most people need to use a calculator to be sure that they've got the right result.
Audio for slide 2 (mp3 |6|KB)
Fortunately, calculators are everywhere these days.
You'll find them in mobile phones, on rulers, in large diaries, and of course as self-contained pocket-sized devices.
You'll find them in mobile phones, on rulers, in large diaries, and of course as self-contained pocket-sized devices.
Audio for slide 3 (mp3 |6|KB)
In this section, we'll cover some basic calculations and mathematical procedures that you need to know in order to work with numbers.
We'll also look at the metric system and discuss the terms that apply to various units of measure.
We'll also look at the metric system and discuss the terms that apply to various units of measure.
Completing this section
Audio 4 (mp3 |6|KB)The material covered in this section will help you to complete the assignment set for this unit. You'll find details of the assignment at the end of Section 2. Have a look at it now to see what you'll need to do to complete it.
Also in the menu bar are links to the lessons for this section:
- Using a calculator
- Working with fractions
- Decimals and percentages
- The metric system
- Using tallies.
These lessons will provide you with background information to help you with the calculations that we'll be doing in Section 2.
Go to Using a calculator
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