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GCSE Maths

Number

Understanding Place Value and Decimals

GCSE Maths | Number

Finding Error Intervals

Foundation & Higher
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Level 6–7

Practice Questions and Resources

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Everything you need to master this topic.

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Workpack

Download the printable workpack with exam style questiuons 

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Worksheet

Full work pack condensed into a 1 page document. Perfect for teachers!

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Solutions

Download the full worked solutions to every question. 

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Key Points 

  • Error intervals show the range of possible values after rounding.

  • The lower bound is inclusive (≤).

  • The upper bound is exclusive (<).

  • Write intervals using inequality notation.


Keywords: error intervals, lower bound, upper bound, inequalities, GCSE maths.

Step-by step tutorial 

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Top Tip
Pause the video and try the quesitons before checking the solutons! 

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