- Current section: Introduction
- Learning outcomes
- 1 Decimals
- 1.1 Introducing the decimal system of numbers
- 1.2 Decimal points
- 1.3 Marking decimals on a scale
- 1.4 Decimal places
- 1.5 Rounding to decimal places
- 1.6 Multiplication and division by factors of ten
- 1.7 SI units and conversions
- 1.8 Adding and subtracting decimal numbers
- 1.9 Addition of decimal numbers
- 1.10 Subtraction of decimal numbers
- 1.11 Addition and subtraction in practice – fluid balance
- 2 Accuracy, precision and common errors
- 3 Handling data
- Acknowledgements
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Using numbers and handling data
You might not realise it, but maths is an essential component of...
You might not realise it, but maths is an essential component of healthcare. In fact, sloppy calculations can have fatal consequences. This unit is a taster of Level 1 course materials for a Foundation Degree in health sciences, and is designed for those contemplating a future in the health services industry.
By the end of this unit you should be able to:
- understand the decimal system of numbering (hundreds, tens, units);
- explain the best way to write down decimal numbers and associated units of measurement in the healthcare workplace, in a manner that avoids confusion;
- understand the concepts of discrete and continuous variables and the best types of graphs used to represent these data;
- analyse, construct and extract information from graphs.
- Duration: 12 hours
- Published on: Thursday 21st July 2011
- Level: Introductory
- Posted under: Public Health
Contents
Using numbers and handling data
Introduction

This sample of S110 material is taken from Module 2, entitled Using numbers and handling data. As you read the material, bear in mind that it is taken from a work-based course, designed for those who are employed in the health services, perhaps as a paramedic or as operating theatre staff. If you were a student on the course, you would have an OU tutor to help you, plus a work-based mentor supplied by the employer – normally the NHS. The aim is to use the workplace as a teaching arena that helps provide relevance and meaning to the activities you undertake, and the course as a whole is especially designed to be relevant to students' current or future employment in health areas. It is representative of Level 1 foundation material in health sciences and should prove a useful taster for health workers contemplating a Foundation Degree.
This unit is an adapted extract from the Open University course Health sciences in practice (S110) [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]
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- Creative-Commons: The Open University is proud to release this free course under a Creative Commons licence. However, any third-party materials featured within it are used with permission and are not ours to give away. These materials are not subject to the Creative Commons licence. See terms and conditions. Full details can be found in the Acknowledgements section.
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