Calculating Overview 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 the right result. they’ve got Fortunately, calculators are everywhere these find them in mobile days. You’ll phones, on rulers, in large diaries, and of course as self-contained pocket-sized devices. In this section, some basic calculations and mathematical procedures that we’ll cover you need to know in order to work with also look at the metric system numbers. We’ll and discuss the terms that apply to various units of measure. Completing this section There are five lessons in 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 be doing in Section 2. we’ll
Calculating Overview 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. 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. 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. Completing this section There are five lessons in 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.