# Edexcel IGCSE Maths: Topic Questions

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Questions organised by topic with model answers for the Edexcel IGCSE Maths exam.

Topic QuestionsModel Answers
Section 1: Numbers & Number Systems
IntegersIntegers - Solutions
FractionsFractions - Solutions
DecimalsDecimals - Solutions
Powers & Roots: HCF / LCM / Prime Factors﻿﻿﻿

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​Powers & Roots: Indice Rules
Powers & Roots: Surds  1
Powers & Roots: Surds  2
Set language and notation  1
Set language and notation  2
Percentages  1
Percentages  2
Percentages  3
Ratio and proportion  1
Ratio and proportion  2
Degree of accuracy (Upper & Lower Bounds)
Standard form  1
Standard form  2
Applying number
Electronic calculators
Section 2: Equations, formulae and identities
Use of symbols
Algebraic manipulation: Simplify / Expand / Factorise  1﻿
Algebraic manipulation: Simplify / Expand / Factorise  2﻿
Algebraic manipulation: Simplify / Expand / Factorise  3
Algebraic manipulation: Simplify / Expand / Factorise  4
Algebraic manipulation: Changing the Subject of the Formula
Algebraic manipulation: Algebraic Fractions 1
Algebraic manipulation: Algebraic Fractions  2
Completing the square
Algebraic Proof 1
Algebraic Proof 2
Expressions and formulae: Substitution
Expressions and formulae: Problem Solving with Algebra
Linear equations  1
Linear equations  2
Proportion  1
Proportion  2
Simultaneous linear equations  1
Simultaneous linear equations  2
Quadratic equations: Solving Quadratics
Quadratic equations: Quadratic Simultaneous Equations
Inequalities  1
Inequalities  2
Section 3: Sequences, functions and graphs
Sequences
Functional notation  1
Functional notation  2
​Functional notation  3
Graphs: Plotting Graphs
Graphs: Equations of a Line  1
Graphs: Equations of a Line  2
Transformations of Graphs
Solving Equations using Graphs
Calculus  1
Calculus  2
Calculus  3
Section 4: Geometry
Angles and triangles
Polygons  1
Polygons  2
Measures
Construction
Circle properties  1
Circle properties  2
Circle properties  3
Geometrical reasoning
Pythagoras Only
Trigonometry & Pythagoras  1
Trigonometry & Pythagoras 2
Trigonometry & Pythagoras 3
Trigonometry & Pythagoras 4
Mensuration of 2-D shapes   1
Mensuration of 2-D shapes   2
Mensuration of 2-D shapes   3
3-D shapes and volume  1
3-D shapes and volume  2
3-D shapes and volume  3
Similarity  1
Similarity  2
Similarity  3
Section 5: Vectors & Transformation Geometry
Vectors  1
Vectors  2
Transformation geometry  1
Transformation geometry  2
​​Section 6: Statistics​
Graphical representation of data: Histograms 1
Graphical representation of data: Histograms  2
Graphical representation of data: Cumulative Frequency  1
Graphical representation of data: Cumulative Frequency  2
Statistical Measures (Mean, Median, Mode)  1
Statistical Measures (Mean, Median, Mode)  2
Statistical Measures (Mean, Median, Mode)  3
Statistical Measures (Mean, Median, Mode)  4
Probability: Simple Probability & Estimation  1﻿﻿﻿
Probability: Simple Probability & Estimation  2
Probability: Tree Diagrams   1
Probability: Tree Diagrams  2
Probability: Non-Replacement Problems  1
Probability: Non-Replacement Problems  2