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      • Revision and How-To Guides >
        • How do Scale Factors Work for Area and Volume?
        • Edexcel GCSE Maths 2023 Paper 2: The Final Question
        • How to Find the Average From a Frequency Table
        • What Do the Angles in a Polygon Add Up To?
        • How to Integrate by Parts: Calculus Help
        • How to Use Pythagoras' Theorem
        • How to Calculate Compound Percentage Changes
        • How to Find Equivalent Fractions
        • How to Find the Averages and Range From Grouped Data
        • How to Factorise a Quadratic Algebraic Equation
        • How to Expand a Pair of Brackets
        • How to Complete the Square
        • Hannah's Sweets - Tricky GCSE Question
        • Why Do We Rationalise the Denominator?
        • How to Add, Subtract, Multiply and Divide Fractions
        • How to Answer the 'Impossible' Question on the Edexcel GCSE Maths Paper 2022
        • How to draw pie charts
        • How to Differentiate From First Principles
        • How to Solve Direct Proportion Questions
        • How to Calculate a Percentage of an Amount Using a Decimal Multiplier
      • How Many Gifts Do I Get Over the Twelve Days of Christmas?
      • How to Find the Sum of a Geometric Sequence
      • The Maths Behind A4 Paper
      • The Monty Hall Problem
      • Rationalizing the Denominator
      • How Do Binary Numbers Work?
      • Rice on a Chessboard
      • How to Prove Pi Equals 2
      • What is the Maximum Score in Ten-Pin Bowling?
      • The Prisoner's Dilemma
      • How Many Socks Make a Pair?
      • Four Interesting Types of Mathematical Numbers
      • How to Add the Numbers 1-100 Quickly
      • What Is the Sum of the Sequence 1, 1/2, 1/4, 1/8, 1/16, ...?
      • Find the Answer to 8×9×10×11×12 Without Using a Calculator
      • How to Prove that the Square root of 2 is Irrational
      • Three Interesting Fractals From Koch, Sierpinski and Cantor
      • How Many Squares Are on a Chessboard?
      • Different Kinds of Prime Numbers
      • How to Do Long Multiplication Using Napier's Method
      • The Handshake Problem
      • Why You Should Always Order the Large Pizza
      • Maximizing the Area of a Rectangle
      • Speed Arithmetic - How to Multiply by 11 Without a Calculator
      • Speed Arithmetic - How to Multiply and Divide by 5 Without a Calculator
      • Pythagoras' Theorem - A Proof
      • How Large Is Infinity?
      • Interesting Facts About Pascal's Triangle
      • Why Does Time Slow Down as You Approach the Speed of Light?
      • Five of History's Most Influential Women in STEM
      • Five More of History's Most Influential Women in STEM
      • How Likely Are You to Hit the Centre of the Archery Target?
      • Find Four Primes Smaller Than 100 Which Are Factors Of 3^32 − 2^32
      • Bertrand's Paradox: A Problem in Probability Theory
      • What Is an Erdős Number?
      • Three of Isaac Newton's Most Important Contributions to the World
      • Mathematical Numbers: What Is 'e'?
      • Hilbert's Paradox of the Grand Hotel: Another Look at Infinity
      • Decreasing the Circumference of Differently Sized Circles: A Counterintuitive Cricket Problem
      • Zeno's Paradox: Achilles and the Tortoise
      • What Are Hexadecimal Numbers?
      • Why Do We Split a Circle Into 360 Degrees?
      • N-bonacci Sequences - Taking Fibonacci Further
      • Being Careful When You Average an Average: A Basketball Problem
      • What Is a Dudeney Number?
    • A-Level Maths Paper Walkthroughs >
      • A-Level Maths, Edexcel, June 2018, Paper Walkthroughs >
        • A-Level Maths, June 2018, Pure Paper 1 Question Walkthroughs
        • A-Level Maths, June 2018, Pure Paper 2, Question Walkthroughs
        • A-Level Maths, June 2018, Statistics and Mechanics, Question Walkthroughs
      • A-Level Maths, Edexcel, June 2019, Paper Walkthroughs >
        • A-Level Maths, June 2019, Pure Paper 1, Question Walkthroughs
        • A-Level Maths, June 2019, Pure Paper 2, Question Walkthrough
        • A-Level Maths, June 2019, Statistics and Mechanics, Walkthrough answers
      • A-Level Maths, Edexcel, October 2020, Paper Walkthroughs >
        • A-Level Maths, October 2020, Pure Mathematics Paper 1, Question Walkthroughs
        • A-Level Maths, October 2020, Pure Mathematics Paper 2, Question Walkthroughs
        • A-Level Maths, October 2020, Statistics and Mechanics, Walkthrough answers
      • A-Level Maths, Edexcel, October 2021, Paper Walkthroughs >
        • A-Level Maths, October 2021, Pure Mathematics, Paper 1 Walkthroughs
        • A-Level Maths, October 2021, Pure Mathematics Paper 2 Walkthroughs
        • A-Level Maths, October 2021, Statistics and Mechanics, Walkthrough answers
      • A-Level Maths, Edexcel, June 2022, Paper 1 Walkthroughs
    • Mathematician of the Month
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Famous Figures Mathematics Certificates - Pack of 50
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Algebra Booklet - GCSE Maths Revision and Practice Worksheets
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BODMAS Tarsia Jigsaw Puzzle - Practice BODMAS/BIDMAS/PEMDAS skills.
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Maths Mazes - 2-digit Addition and Subtraction
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Maths Mazes - Solving Algebraic Equations Worksheets
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  • Home
  • Algebra
    • Algebraic expressions
    • Algebraic equations
    • Expanding brackets
    • Index notation
    • Inequalities
    • Quadratic equations
    • Sequences
    • Simultaneous equations
    • Straight line graphs
    • Substitution
  • Shapes, space and measures
    • Angles
    • Circles
    • Circle theorems
    • Compound measures
    • Construction
    • Distance/speed-time graphs
    • Length, area and volume
    • Metric and Imperial conversions
    • Metric units of measurement
    • Proof
    • Pythagoras' Theorem
    • Scale factors, similarity and congruence
    • Symmetry and reflection
    • Time
    • Trigonometry
  • Number
    • Primary Addition and Subtraction
    • Addition and subtraction
    • Basic number work
    • BODMAS/PEMDAS/BIDMAS
    • Compound percentage change
    • Decimals
    • Factors and Multiples
    • Fractions
    • Fractions, decimals and percentages
    • Money
    • Multiplication and division
    • Percentages
    • Ratio and Proportion
    • Rounding and estimating
    • Standard form
  • Statistics and Probability
    • Averages and the Range
    • Box plots
    • Collecting data
    • Pie charts
    • Probability
  • More
    • Starters >
      • Puzzles and riddles
      • Maths Wordsearches
      • More Maths Lesson Starter Ideas
    • Christmas Maths Activities
    • Maths Articles >
      • Revision and How-To Guides >
        • How do Scale Factors Work for Area and Volume?
        • Edexcel GCSE Maths 2023 Paper 2: The Final Question
        • How to Find the Average From a Frequency Table
        • What Do the Angles in a Polygon Add Up To?
        • How to Integrate by Parts: Calculus Help
        • How to Use Pythagoras' Theorem
        • How to Calculate Compound Percentage Changes
        • How to Find Equivalent Fractions
        • How to Find the Averages and Range From Grouped Data
        • How to Factorise a Quadratic Algebraic Equation
        • How to Expand a Pair of Brackets
        • How to Complete the Square
        • Hannah's Sweets - Tricky GCSE Question
        • Why Do We Rationalise the Denominator?
        • How to Add, Subtract, Multiply and Divide Fractions
        • How to Answer the 'Impossible' Question on the Edexcel GCSE Maths Paper 2022
        • How to draw pie charts
        • How to Differentiate From First Principles
        • How to Solve Direct Proportion Questions
        • How to Calculate a Percentage of an Amount Using a Decimal Multiplier
      • How Many Gifts Do I Get Over the Twelve Days of Christmas?
      • How to Find the Sum of a Geometric Sequence
      • The Maths Behind A4 Paper
      • The Monty Hall Problem
      • Rationalizing the Denominator
      • How Do Binary Numbers Work?
      • Rice on a Chessboard
      • How to Prove Pi Equals 2
      • What is the Maximum Score in Ten-Pin Bowling?
      • The Prisoner's Dilemma
      • How Many Socks Make a Pair?
      • Four Interesting Types of Mathematical Numbers
      • How to Add the Numbers 1-100 Quickly
      • What Is the Sum of the Sequence 1, 1/2, 1/4, 1/8, 1/16, ...?
      • Find the Answer to 8×9×10×11×12 Without Using a Calculator
      • How to Prove that the Square root of 2 is Irrational
      • Three Interesting Fractals From Koch, Sierpinski and Cantor
      • How Many Squares Are on a Chessboard?
      • Different Kinds of Prime Numbers
      • How to Do Long Multiplication Using Napier's Method
      • The Handshake Problem
      • Why You Should Always Order the Large Pizza
      • Maximizing the Area of a Rectangle
      • Speed Arithmetic - How to Multiply by 11 Without a Calculator
      • Speed Arithmetic - How to Multiply and Divide by 5 Without a Calculator
      • Pythagoras' Theorem - A Proof
      • How Large Is Infinity?
      • Interesting Facts About Pascal's Triangle
      • Why Does Time Slow Down as You Approach the Speed of Light?
      • Five of History's Most Influential Women in STEM
      • Five More of History's Most Influential Women in STEM
      • How Likely Are You to Hit the Centre of the Archery Target?
      • Find Four Primes Smaller Than 100 Which Are Factors Of 3^32 − 2^32
      • Bertrand's Paradox: A Problem in Probability Theory
      • What Is an Erdős Number?
      • Three of Isaac Newton's Most Important Contributions to the World
      • Mathematical Numbers: What Is 'e'?
      • Hilbert's Paradox of the Grand Hotel: Another Look at Infinity
      • Decreasing the Circumference of Differently Sized Circles: A Counterintuitive Cricket Problem
      • Zeno's Paradox: Achilles and the Tortoise
      • What Are Hexadecimal Numbers?
      • Why Do We Split a Circle Into 360 Degrees?
      • N-bonacci Sequences - Taking Fibonacci Further
      • Being Careful When You Average an Average: A Basketball Problem
      • What Is a Dudeney Number?
    • A-Level Maths Paper Walkthroughs >
      • A-Level Maths, Edexcel, June 2018, Paper Walkthroughs >
        • A-Level Maths, June 2018, Pure Paper 1 Question Walkthroughs
        • A-Level Maths, June 2018, Pure Paper 2, Question Walkthroughs
        • A-Level Maths, June 2018, Statistics and Mechanics, Question Walkthroughs
      • A-Level Maths, Edexcel, June 2019, Paper Walkthroughs >
        • A-Level Maths, June 2019, Pure Paper 1, Question Walkthroughs
        • A-Level Maths, June 2019, Pure Paper 2, Question Walkthrough
        • A-Level Maths, June 2019, Statistics and Mechanics, Walkthrough answers
      • A-Level Maths, Edexcel, October 2020, Paper Walkthroughs >
        • A-Level Maths, October 2020, Pure Mathematics Paper 1, Question Walkthroughs
        • A-Level Maths, October 2020, Pure Mathematics Paper 2, Question Walkthroughs
        • A-Level Maths, October 2020, Statistics and Mechanics, Walkthrough answers
      • A-Level Maths, Edexcel, October 2021, Paper Walkthroughs >
        • A-Level Maths, October 2021, Pure Mathematics, Paper 1 Walkthroughs
        • A-Level Maths, October 2021, Pure Mathematics Paper 2 Walkthroughs
        • A-Level Maths, October 2021, Statistics and Mechanics, Walkthrough answers
      • A-Level Maths, Edexcel, June 2022, Paper 1 Walkthroughs
    • Mathematician of the Month
    • Tricky Geometry Problems
    • DoingMaths video channel
    • DoingMaths Shop
    • Contact us
    • Privacy policy