Edexcel IGCSE Math a 1.4 E Highest Common Factors Hcf and Lowest Common Topic Practice

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Pearson Edexcel International GCSE Math A

1 Numbers and the number system

1.4 Powers and roots

1.4.A Square numbers and cube numbers

1.4.B Squares, square roots, cubes and cube roots

1.4.C Index notation and index laws for multiplication and

1.4.D Express integers as a product of powers of prime

1.4.E Highest common factors (HCF) and lowest common

1.4.HA The meaning of surds Simplify: 8 3 32+

1.4.HB Manipulate surds

1.4.HC Index laws to simplify and evaluate numerical

1.5 Set language and notation

1.6 Percentages

1.7 Ratio and proportion

1.8 Degree of accuracy

1.9 Standard form

1.10 Applying number

1.11 Electronic calculators

2 Equations, formulae and identities

2.1 Use of symbols

2.2 Algebraic manipulation

2.3 Expressions and formulae

2.4 Linear equations

2.6 Simultaneous linear equations

2.7 Quadratic equations

2.8 Inequalities

3 Sequences, functions and graphs

3.2 Function notation

4 Geometry and trigonometry

4.1 Angles, lines and triangles

4.5 Construction

4.6 Circle properties

4.7 Geometrical reasoning

4.8 Trigonometry and Pythagoras’ theorem

4.9 Mensuration of 2D shapes

4.10 3D shapes and volume

4.11 Similarity

5 Vectors and transformation geometry

5.2 Transformation geometry

6 Statistics and probability

6.1 Graphical representation of data

6.2 Statistical measures

6.3 Probability

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