Lower and Upper Bounds Revision Videos

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.

RawMaths looks at some problems that involve combining bounds.

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

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