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# Standard Unit Conversion: Length – R1

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### About the lecture

In this mini-lecture, we begin our discussion of Topic R1 by introducing units and unit conversions, specifically those involving lengths. As we move through this mini-lecture, we consider: (i) the metric system of units (metres, grams, litres, seconds, etc.) and the imperial system of units (inches, miles, pounds, gallons, etc.); and (ii) examples that illustrate how to use conversion factors to convert between metric and imperial units of length.

### About the lecturer

Thomas Woolley is a Mathematical Biologist and Senior Lecturer in the School of Mathematics at Cardiff University. His research focuses on modelling biological systems in order to understand how certain biological phenomena occur. Currently, he is working on understanding muscle stem cell protrusions known as blebs. Blebs allow cells to move along muscle fibres in order to find and heal damage, and Dr Woolley is interested in gaining insights into how this motion occurs. Alongside his research, Dr Woolley is passionate about outreach and has contributed to a variety of projects, including appearances on Numberphile and BBC Radio Wales – Science Cafe. He also contributed to the creation of Mathematics: The Winton Gallery at the London Science Museum.

### Cite this Lecture

**APA style**

Woolley,
T.
(2023, March 23).
*3. Ratio, Proportion, and Rates of Change - Standard Unit Conversion: Length – R1* [Video]. MASSOLIT. https://massolit.io/options/3-ratio-proportion-and-rates-of-change?auth=0&lesson=13814&option=10167&type=lesson

**MLA style**

Woolley,
T.
"3. Ratio, Proportion, and Rates of Change – Standard Unit Conversion: Length – R1." *MASSOLIT*, uploaded by MASSOLIT,
23 Mar 2023,
https://massolit.io/options/3-ratio-proportion-and-rates-of-change?auth=0&lesson=13814&option=10167&type=lesson