Key Stage 4 (GCSE) · Years 10-11 · Ratio, proportion and rates of change
R12compare lengths, areas and volumes using ratio notation; make links to similarity (including trigonometric ratios) and scale factors
GCSE subject content
GCSE specifications in mathematics should require students to compare lengths, areas and volumes using ratio notation; make links to similarity (including trigonometric ratios) and scale factors
Tier: This item is set in standard type: all students develop confidence and competence with it. “; make links to similarity (including trigonometric ratios)” is underlined (assessed for all students).
Source: Department for Education, GCSE mathematics: subject content and assessment objectives. Crown copyright information reproduced under the Open Government Licence v3.0.
uk-gcse-ma-r-12. The DfE numbers this item 12 within Ratio, proportion and rates of change; the R12 form follows the awarding bodies' convention.Relevant worksheets
These resources support parts of the requirement. They are not presented as a complete assessment of every clause.
Related teaching units
These existing units provide relevant lesson material. A dedicated unit may still be needed where the requirement is broader.