Below is a brief summary of* new topics* that will now be included in the **reformed GCSE 2015.**

- Use of pi and surds
*both of these forms of notation will expected as an alternative way to express correct answers.*

- Reverse percentages
- Factorising quadratics
*methods including difference of two squares.*

- Basic trigonometry
*right angle problems**angles of depression and elevation.*

- Circle properties (not theorems)
*length of arcs, areas of sectors and in terms of a multiple of pi.*

- Vectors
*notation, sum and difference of vectors, scalars and resultants.*

- Venn and tree diagrams
- Standard form
- Compound interest
- Simultaneous equations
- Direct and inverse proportion
- Fractional SF transformations
- Conditional probabilities
- Frequency trees
- Recall exact values of trig values for sin/cos 0, 30, 45, 60, 90
- Recall tan exact values for 0, 30, 45, 60

A more detailed summary will follow soon but in the meantime more can be find in the documentÂ DfE GCSE 2015.

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