Lesson deck
Ratio & proportionCommon
Combining ratios
Two ratios with a part in common joined into one. The ratios are lined up under their names, the shared part is made to match and the ratio wanted is read off. Then contexts, totals and angles.
A free GCSE Foundation and Higher ratio and proportion lesson on combining ratios, spec code R5. It has a lesson deck to teach from with a visualiser, worksheets with answers, an exit ticket and end of unit tests.
Common
Combining ratios
Common
Combining ratios
Exit ticket
Combining ratios
Test
Ratio and proportion test:Higher
Test
Ratio and proportion test:Foundation A
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