Skip to main content

About this free course

Download this course

Share this free course

Rounding and estimation
Rounding and estimation

Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.

Acknowledgements

Except for third party materials and otherwise stated (see terms and conditions [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] ), this content is made available under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Licence

Course image: FoodCraftLab in Flickr made available under Creative Commons Attribution-ShareAlike 2.0 Licence.

Grateful acknowledgement is made to the following sources for permission to reproduce material in this course:

Cartoons (Sections 1.4, 1.5, 2.1 and 3.5): copyright © S. Harris

Cartoon (Section 3.4): CartoonStock.com © Dan Rosandich

Mars orbiter: NASA

All other written material contained within this course originated at the Open University

Don't miss out:

If reading this text has inspired you to learn more, you may be interested in joining the millions of people who discover our free learning resources and qualifications by visiting The Open University - www.open.edu/ openlearn/ free-courses