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  2. www.bbc.co.uk › bitesize › guidesApproximation - Edexcel Upper and lower bounds - BBC

    The lower bound is the smallest value that would round up to the estimated value. The upper bound is the smallest value that would round up to the next estimated value. For example, a mass of...

    • Significant Figures

      Learn about and revise approximation using a range of...

    • Revision 1

      Learn about and revise approximation using a range of...

    • Decimal Places

      look at the first digit after the decimal point if rounding...

  3. thirdspacelearning.com › upper-and-lower-boundsUpper And Lower Bounds - GCSE Maths - Steps & Examples

    The lower bound is the smallest value that would round up to the estimated value. The upper bound is the smallest value that would round up to the next estimated value. They can also be called limits of accuracy. The upper and lower bounds can be written using error intervals. For example,

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  5. www.mathsisfun.com › definitions › lower-boundLower Bound Definition (Illustrated Mathematics Dictionary)

    A value that is less than or equal to every element of a set of data. Example: in {3,5,11,20,22} 3 is a lower bound. But be careful! 2 is also a lower bound (it is less than any element of that set), in fact any value 3 or less is a lower bound. Example: how tall is a human?

  6. thirdspacelearning.com › gcse-maths › numberHow To Calculate Upper And Lower Bounds - GCSE Maths Guide

    Here we will learn about how to calculate upper and lower bounds, including finding the place value of the given degree of accuracy, calculating upper and lower bounds and writing error intervals. There are also how to calculate upper and lower bounds worksheets based on Edexcel, AQA and OCR exam questions, along with further guidance on where ...

  7. en.wikipedia.org › wiki › Upper_and_lower_boundsUpper and lower bounds - Wikipedia

    An upper bound is said to be a tight upper bound, a least upper bound, or a supremum, if no smaller value is an upper bound. Similarly, a lower bound is said to be a tight lower bound, a greatest lower bound, or an infimum, if no greater value is a lower bound.

  8. www.mathsisfun.com › definitions › boundsBounds Definition (Illustrated Mathematics Dictionary)

    Lower bound: a value that is less than or equal to every element of a set of data. Upper bound: a value that is greater than or equal to every element of a set of data. Example: in {3,5,11,20,22} 3 is a lower bound, and 22 is an upper bound.

  9. www.savemyexams.com › gcse › mathsBounds | AQA GCSE Maths Revision Notes 2022 - Save My Exams

    Mar 16, 2023 · You can use bounds to calculate the level of accuracy of a calculation. This can be used to decide how to round your answer. e.g. If the lower bound of an value is 8.33217... and the upper bound is 8.33198... The true value is between 8.33217... and 8.33198... Both bounds round to 8.332 to 4sf.

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