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1. • • Bounds refers to the smallest and largest possible values of a measurement or quantity. They are useful in calculations when measurements are rounded, providing a more accurate result. Each value, be it upper or lower bound, will have an impact on the final result of a calculation depending on the mathematical operation undertaken.
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     How to use bounds to solve real world problems - Study Rocket

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   What are upper and lower bounds?

   • They can also be called limits of accuracy. The upper and lower bounds can be written using error intervals. For example, A rectangle has a width of 4.3 cm rounded to 1 decimal place and a length of 6.4 cm rounded to 1 decimal place. Let’s look at the length: The smallest number that will round up to give 6.4 is 6.35, this is the lower bound.

   Upper And Lower Bounds - GCSE Maths - Steps & Examples

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   What is the difference between lower limit and upper bound?

   • The lower limit or lower bound is the smallest value that would round up to the estimated value. The upper limit or upper bound is the smallest value that would round up to the next estimated value. To calculate the upper and lower bounds, subtract this value from the rounded value for the lower limit.

   Module 3 (M3) - Number - bounds - BBC Bitesize

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   What is the upper and lower bound of a number?

   • Stating 24 as the upper bound when a number is 20 to the nearest 10 . Remember that there are numbers bigger than 24 that would round down to 20 such as 24.9. The upper and lower bounds (when rounding to a multiple of 10 ) should always end in 5 . For example, Using the place value of 100 when a number is 700 to the nearest 10.

   How To Calculate Upper And Lower Bounds - GCSE Maths Guide

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   What if the upper bound is incorrect?

   • Upper bound is incorrect It is very common for students to put an incorrect upper bound E.g. If a length has been rounded to 56 cm to the nearest cm, an error maybe to write the upper bound as 56.4 cm. The upper bound must be bigger than 56.4 cm as 56.49 also rounds down to 56, so does 56.499999999 …. The upper bound in this case is 56.5 cm.

   Upper And Lower Bounds - GCSE Maths - Steps & Examples

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   How do you calculate upper and lower bounds?

   • The following method can be used to calculate upper and lower bounds: Identify the place value of the degree of accuracy stated. Divide this place value by \bf {2}. Add this amount to the given value to find the upper bound, subtract this amount from the given value to find the lower bound. You can then use these to write an error interval:

   How To Calculate Upper And Lower Bounds - GCSE Maths Guide

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   When should the upper and lower bounds end in 5?

   • The upper and lower bounds (when rounding to a multiple of 10 ) should always end in 5 . For example, Using the place value of 100 when a number is 700 to the nearest 10. It may appear that the number has been rounded to the nearest 100 when in fact it has been rounded to the nearest 10.

   How To Calculate Upper And Lower Bounds - GCSE Maths Guide

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

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   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

     Significant Figures - Approximation - Edexcel Upper and...

   • Revision 1

     Revision 1 - Approximation - Edexcel Upper and lower bounds...

   • Decimal Places

     Decimal Places - Approximation - Edexcel Upper and lower...

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

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   Here we will learn about upper and lower bounds including how to find upper and lower bounds and how to use them to solve problems. There are also upper and lower bounds worksheets based on Edexcel, AQA and OCR exam questions, along with further guidance on where to go next if you’re still stuck.

6. www.savemyexams.com › boundsBounds | AQA GCSE Maths Revision Notes 2022 - Save My Exams

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   Mar 16, 2023 · What are bounds? Bounds are the smallest (lower bound, LB) and largest (upper bound, UB) numbers that a rounded number can lie between. It simply means how low or high the number could have been before it was rounded. The bounds for a number, , can be written as.

7. Videos

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     Bounds - Upper and Lower Bound Calculations | Grade 7-9 Maths Series | GCSE Maths Tutor

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8. www.bbc.co.uk › bitesize › guidesApproximation - AQA Upper and lower bounds - Higher - BBC

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   Upper and lower bounds - Higher. When more than one value in a calculation has been rounded, the upper or lower bounds for each value should be used in the calculation to find the greatest or ...

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

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   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.

10. www.bbc.co.uk › bitesize › articlesModule 3 (M3) - Number - bounds - BBC Bitesize

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    Find the upper and lower bounds for a shelf of length 70 cm, measured to the nearest 10 cm. Solution. 10 cm ÷2 = 5 cm; Upper bound is 70 + 5 = 75 cm; Lower bound is 70 – 5 = 65 cm

11. www.mathsgenie.co.uk › boundsRevision - Bounds - Maths Genie

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    Maths Genie Limited is a company registered in England and Wales with company number 14341280. Registered Office: 86-90 Paul Street, London, England, EC2A 4NE. Maths revision video and notes on the topic of upper and lower bounds.