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Unit 2, Edexcel Higher modular mathematics GCSE topics (page 2)

Grade C

Writing down the coordinates of the midpoint of the line connecting two points

Understand and use the index rules to simplify algebraic expressions

Use brackets to expand and simplify simple algebraic expressions

Find the size of each exterior/interior angle of a regular polygon

Find the HCF of numbers

Find the LCM of numbers

Multiply and divide decimal numbers by whole numbers and decimal numbers (up to 2 dp), e.g. 266.22 / 0.34 and know that e.g. 13.5 / 0.5 = 135 / 5

Write a number as a product of its prime factors, e.g. 108 = 2 squares x 3 cubed

Use Pythagoras’ theorem to find unknown lengths, e.g. the height of an isosceles triangle given the lengths of all three sides

Find the nth term of a number sequence as an algebraic expression

Explain why a number is, or is not, a member of a given sequence

Factorise algebraic expressions involving one pair of brackets

Interpret m and c as gradient and y-intercept in linear functions

Use formulae to calculate the surface areas and volumes of cuboids and prisms

Solve a range of problems involving surface area and volume, e.g. given the volume and length of a cylinder find the radius

Expand and simplify expressions involving two pairs of brackets

Grade B

Substitute positive and negative numbers into algebraic formulae involving powers

Change the subject of a formula, e.g. convert the formula for converting Centigrade into Fahrenheit into a formula that converts Fahrenheit into Centigrade

Know that density is found by mass ÷ volume

Find when numbers are given to a specific degree of accuracy, the upper and lower bounds of perimeters and areas

Factorise quadratic expressions (including the difference of two squares)

Understand that the graphs of linear functions are parallel if they have the same value of m

Grade A

Calculate the length of the line segment joining to point in the plane (all four quadrants)

Know that the line perpendicular to y = mx + c has gradient -1/m I NEED TO ADD A PAGE FOR THIS SOONISH

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