Rounding and estimation
http://data.open.ac.uk/openlearn/mu120_4m2
is a Unit , Document

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Creator The Open University
Publisher The Open University
Course Open Mathematics
To Open Mathematics
Relates to course Open Mathematics
Dataset OpenLearn
Subject Mathematics Education
URL content-section-0
Locator content-section-0
Language en-gb
Published
  • 2011-06-10T09:00:00.000Z
  • 2011-06-10T10:18:00.000Z
  • 2011-06-10T11:18:00.000Z
  • 2013-12-05T18:58:43.000Z
  • 2014-09-01T13:32:10.000Z
  • 2016-02-25T12:38:24.000Z
  • 2016-03-15T15:31:49.000Z
  • 2016-03-22T14:13:39.000Z
  • 2016-03-23T16:33:29.000Z
License
  • Copyright © 2013 The Open University
  • Copyright © 2016 The Open University
  • Licensed under a Creative Commons Attribution - NonCommercial-ShareAlike 2.0 Licence - see http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ - Original copyright The Open University
Type
Label Rounding and estimation
Title Rounding and estimation
Description
  • <p>For many calculations you use a calculator. The main aim of this unit is to help you to do this in a sensible and fruitful way. Using a calculation to solve a problem involves four main stages:</p><ul class="oucontent-unnumbered"><li><p>Stage 1: working out what calculation you want to do;</p></li><li><p>Stage 2: working out roughly what size of answer to expect from your calculation;</p></li><li><p>Stage 3: carrying out the calculation;</p></li><li><p>Stage 4: interpreting the answer – Does it agree with the rough estimate? Does it make sense in terms of the original problem?</p></li></ul><p>This unit focuses on Stages 2 and 4.</p><p>This unit is from our archive and is an adapted extract from Open mathematics (MU120) which is no longer taught by The Open University. If you want to study formally with us, you may wish to explore other courses we offer in <span class="oucontent-linkwithtip"><a class="oucontent-hyperlink" href="http://www3.open.ac.uk/study/undergraduate/qualification/mathematics-and-statistics/index.htm">this subject area</a></span>.</p>
  • Scientific calculators are a wonderful invention, but they're only as good as the people who use them. If you often get an unexpected – or ridiculous – result when you press the ‘enter’ button, this unit is for you. Learn how to do a calculation correctly and get the right answer every time.<link rel="canonical" href="http://www.open.edu/openlearn/science-maths-technology/mathematics-and-statistics/mathematics-education/rounding-and-estimation/content-section-0" /> First published on Fri, 10 Jun 2011 as <a href="http://www.open.edu/openlearn/science-maths-technology/mathematics-and-statistics/mathematics-education/rounding-and-estimation/content-section-0">Rounding and estimation</a>. To find out more visit The Open University's <a href="http://www.open.edu/openlearn/ole-home-page">Openlearn</a> website. Creative-Commons 2011
  • <p>For many calculations you use a calculator. The main aim of this course is to help you to do this in a sensible and fruitful way. Using a calculation to solve a problem involves four main stages:</p><ul class="oucontent-unnumbered"><li><p>Stage 1: working out what calculation you want to do;</p></li><li><p>Stage 2: working out roughly what size of answer to expect from your calculation;</p></li><li><p>Stage 3: carrying out the calculation;</p></li><li><p>Stage 4: interpreting the answer – Does it agree with the rough estimate? Does it make sense in terms of the original problem?</p></li></ul><p>This course focuses on Stages 2 and 4.</p><p>This OpenLearn course provides a sample of level 1 study in <span class="oucontent-linkwithtip"><a class="oucontent-hyperlink" href="http://www.open.ac.uk/courses/find/mathematics?LKCAMPAIGN=ebook_&amp;MEDIA=ou">Mathematics</a></span>.</p>
  • Scientific calculators are a wonderful invention, but theyre only as good as the people who use them. If you often get an unexpected or ridiculous result when you press the enter button, this free course, Rounding and estimation, is for you. Learn how to do a calculation correctly and get the right answer every time.<link rel="canonical" href="http://www.open.edu/openlearn/science-maths-technology/mathematics-and-statistics/mathematics-education/rounding-and-estimation/content-section-0" /> First published on Fri, 10 Jun 2011 as <a href="http://www.open.edu/openlearn/science-maths-technology/mathematics-and-statistics/mathematics-education/rounding-and-estimation/content-section-0">Rounding and estimation</a>. To find out more visit The Open University's <a href="http://www.open.edu/openlearn/ole-home-page">Openlearn</a> website. Creative-Commons 2011