Powerpoint with 123 slides on Ratio and Proportion.
Slides explaining how to simplify ratio, how to write something in n:1 or 1:n, how to share in ratio, how to see if things are in proportion and how to work out proportions and ingredients for recipes.
There are lots of worksheets. GCSE questions and challenge questions included.
All the answers come up as you click thorugh, which makes things more efficient for teachers in a lesson or is good for non maths specialist teachers or parents or students.
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£5.00