N14a – Estimating answers, and checking calculations by using approximation and estimation

This is the students’ version of the page. Log in above for the teachers’ version.

Prerequisites

Estimating answers and checking calculations

Note: this is a non-calculator lesson!
Teacher resources

Teachers: log in to access the following:

  • Slides in PPTX (with click-to-reveal answers)
  • Slides in PDF (one slide per page, suitable for importing into IWB software)
Links to past exam questions

Teachers: log in to access these.

In the real world

Teachers: log in to view this content.