1.38 Error Intervals GCSE PowerPoint Lesson

In this 30-slide lesson, pupils will learn how to interpret and represent error intervals for rounded and truncated numbers. They will explore how to express possible values using inequality notation when values are rounded to the nearest integer, decimal place or significant figure, as well as when values are truncated. The lesson will include a variety of questions: straightforward calculations, contextual worded problems and real-life scenarios to help pupils develop a secure understanding of error intervals and the impact of rounding on accuracy.

The lesson includes:

• Clear, guided examples

• Discussion opportunities from Think, Pair, Share

• Mini whiteboard section to check understanding and clarify misconceptions

• Three structured tasks to practise key skills

• Challenge activity to extend and deepen learning

Perfect for engaging learners while reinforcing essential numeracy concepts.