This introduction covers The Hidden Range within Bounds & Error Intervals for GCSE Mathematics. Revise Bounds & Error Intervals in Number for GCSE Mathematics with 14 exam-style questions and 5 flashcards. This is a high-frequency topic, so it is worth revising until the explanation feels precise and repeatable. It is section 1 of 6 in this topic. Use this introduction to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 1 of 6
Practice
14 questions
Recall
5 flashcards
The Hidden Range
If someone says they're "180 cm tall" (to nearest cm), they could actually be anywhere from 179.5 cm to 180.5 cm! When a value is rounded, there's always a hidden range of possible values - that's what bounds are about. This matters in engineering where precision is critical.
