NEW TO 9-1 GCSE MATHS? Lets get started!

Assessment Schedule ◦ Thursday 25 th May AM – Paper 1 Non Calculator ◦ Thursday 8 th June AM – Paper 2 Calculator ◦ Tuesday 13 th June AM – Paper 3 Calculator ◦ All exams are 1hr 30mins

Foundation – New Topics to watch out for ◦ Index Laws ◦ Standard Form ◦ Compound Interest ◦ Reverse Percentages ◦ Proportion ◦ Simultaneous Equations ◦ Quadratic formula ◦ Trigonometry ◦ Enlargements by fractional scale ◦ Arcs and sectors in a circle ◦ Vectors ◦ Tree Diagrams

Higher – New topics to watch out for…… ◦ Expand the product of binomials ◦ Inverse function and composite function ◦ Calculate/Estimate gradients and areas of graphs ◦ Geometric progressions ◦ Calculate the nth term of quadratic sequences ◦ Calculate and interpret conditional probabilities through Venn diagrams

Things to memorise Trig. ratios: sinθ=O/H, cosθ=A/H, tanθ=O/A are needed for both tiers Foundation: ◦ Pythagoras Theorem: a² + b² = c² ◦ Area of a trapezium: ½(a + b)h ◦ Volume prism: cross sectional area × length Higher: ◦ Quadratic formula, x = – b ± √(b² – 4ac) 2a ◦ Cosine rule: a 2 = b 2 + c 2 – 2bcCosA ◦ Sine Rule: a sin A = b sin B = c sin C ◦ Area triangle = ½absinC

Topic weighting (Edexcel)

9-1 Grading

Questions ◦ There are now fewer marks at the lower grades and more marks at higher grades. No more writing out 3062 in words. ◦ Much higher emphasis on problem solving and mathematical reasoning. This does not always mean that YOU are doing lots of explaining. Often the questions have a lot more words in them and you’re required to demonstrate a higher level of understanding. ◦ Lets have a look at some sample questions, they will be labelled by tier and calculator or non calculator.

FOUNDATION - Money, decimals, percentages, fractions, four rules. Alex wants to purchase a TV priced at £399. She has £110 saved already. Alex gets paid £90 per week She saves 30% of her weekly wage. How many more weeks will it take for her to save enough money for the TV?

FOUNDATION – Angles/Triangles What type of triangle is it? Tick two boxes: acute-angled obtuse-angled equilateral isosceles scalene

FOUNDATION - Data handling Here is a list of numbers: 13, 6, 12, 7, 6, 4, 8 Work out the range of the numbers, circle your answer: What is the mode of the numbers, circle your answer:

FOUNDATION - Probability Boxes A, B, C and D contain balls with numbers on them. A ball is picked at random from each box. Which two boxes give the same chance of picking a 1?

BOTH TIERS - Money, decimals, percentages, fractions, four rules. My car’s value has dropped by 1/5 since I purchased it two years ago. I could sell it privately today for £2995. How much did I pay for my car two years ago?

BOTH TIERS – Shape and Space A pattern is made from two similar trapeziums. Image not to scale 18cm 4cm 10cm 25cm Show that the shaded area is 294cm²

HIGHER – Angles with algebra AB, CD and YZ are straight lines. All angles are in degrees. Y Z A B C D x x x - 85 Show that AB is parallel to CD.

HIGHER – Number There are four prime numbers between 300 and 330. How many prime numbers are there between 300 and 450?

RETENTION! The 9-1 specification has an increase in difficulty. It is now more important than ever to have additional revision content in place.