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Topic Videos

Lower and Upper Bounds Revision Videos

AQA, Edexcel, OCR

Last updated 8 Apr 2018

Bounds are the highest and lowest amounts that a number could have been before it was rounded. This is a complex concept so please work through these videos carefully to get a good understanding of this topic.

Ukmathsteacher explains the concept of bounds and how to find them, before going on to look at several GCSE type questions.

GCSE Maths - Upper and Lower Bounds (Accuracy of Measures) Higher A* Topic Edexcel - ukmathsteacher

RawMaths looks at some problems that involve combining bounds.

GCSE - Core Skills A3 - Upper and Lower Bounds - RawMaths

Mr Barton discusses the related topic of error intervals in this video.

Error Intervals with Rounding: GCSE Maths Question of the Week

Miss Banks takes us through several error interval questions in this video.

Error Intervals - Miss Banks

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