Year 9 Maths Help & Practice

Boost your maths marks with our complete Year 9 maths help. Whether it's Key Stage 3 Maths (National Curriculum), or National curriculum in Wales (Key stage 3), we've got you all covered!

Just like your class or textbook, our comprehensive help includes topics such as Surface area and volume, Adding Fraction, Percentages, Pythagorean Theorem, Statistics, Probability, and more. StudyPug gives you not just lessons, but tutorials that teach you how to tackle even the hardest KS3 maths questions with step-by-step solutions – in videos. Then, strengthen your understanding with tons of year 9 maths practice.

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  1. 1Number Theory
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    1. 1.1Divisibility Rules
    2. 1.2Determining Common Factors
    3. 1.3Determining Common Multiples
    4. 1.4Introduction to Exponents
  2. 2Number Systems
    1. 2.1Understanding the number systems
    2. 2.2Prime factorisation
    3. 2.3Greatest common factors (GCF)
    4. 2.4Least common multiple (LCM)
    5. 2.5Rational vs. Irrational numbers
    6. 2.6Converting repeating decimals to fractions
  3. 3Adding and Subtracting Integers
    1. 3.1Introduction to integer addition
    2. 3.2Adding integers
    3. 3.3Introduction to integer subtraction
    4. 3.4Subtracting integers
    5. 3.5Word problems on adding and subtracting integers
  4. 4Multiplying and Dividing Integers
    1. 4.1Understanding integer multiplication
    2. 4.2Multiplying integers
    3. 4.3Understanding integer division
    4. 4.4Dividing integers
    5. 4.5Applications of integer operations
  5. 5Rational Numbers
    1. 5.1Comparing and ordering rational numbers
    2. 5.2Solving problems with rational numbers in decimal form
    3. 5.3Solving problems with rational numbers in fraction form
    4. 5.4Determine square roots of rational numbers
  6. 6Operations with Decimals
    1. 6.1Adding and subtracting decimal numbers
    2. 6.2Multiplying decimal numbers
    3. 6.3Dividing decimal numbers
    4. 6.4Order of operations (BIDMAS)
  7. 7Adding and Subtracting Fractions
    1. 7.1Using model to add and subtract fractions
    2. 7.2Adding fractions with like denominators
    3. 7.3Subtracting fractions with like denominators
    4. 7.4Adding and subtracting fractions with unlike denominators
    5. 7.5Adding and subtracting mixed numbers
  8. 8Multiplying and Dividing Fractions
    1. 8.1Multiplying fractions and whole numbers
    2. 8.2Dividing fractions with whole numbers
    3. 8.3Multiplying proper fractions
    4. 8.4Multiplying improper fractions and mixed numbers
    5. 8.5Dividing fractions and mixed numbers
    6. 8.6Applications of fraction operations
  9. 9Powers and Exponents
    1. 9.1Using exponents to describe numbers
    2. 9.2Exponent rules
    3. 9.3Order of operations with exponents
    4. 9.4Using exponents to solve problems
  10. 10Surds
    1. 10.1Square and square roots
    2. 10.2Cubic and cube roots
    3. 10.3Evaluating and simplifying surds
    4. 10.4Converting radicals to mixed surds
    5. 10.5Converting radicals to entire surds
    6. 10.6Adding and subtracting surds
    7. 10.7Multiplying and dividing surds
    8. 10.8Rationalize the denominator
  11. 11Ratios, Rates, and Proportions
    1. 11.1Ratios
    2. 11.2Rates
    3. 11.3Proportions
  12. 12Proportional Relationships
    1. 12.1Identifying proportional relationships
    2. 12.2Understanding graphs of linear relationships
    3. 12.3Understanding tables of values of linear relationships
    4. 12.4Applications of linear relationships
  13. 13Percents
    1. 13.1Representing percents
    2. 13.2Percents, fractions, and decimals
    3. 13.3Percent of a number
    4. 13.4Adding and multiplying percents
    5. 13.5Taxes, discounts, tips and more
    6. 13.6Simple interest
  14. 14Measuring Systems
    1. 14.1Metric systems
    2. 14.2Imperial systems
    3. 14.3Conversions between metric and imperial systems
    4. 14.4Conversions involve squares and cubic
  15. 15Coordinates, Quadrants, and Transformations
    1. 15.1Cartesian plane
    2. 15.2Draw on coordinate planes
    3. 15.3Introduction to transformations
    4. 15.4Horizontal and vertical distances
  16. 16Angles, Lines, and Transversals
    1. 16.1Pairs of lines and angles
    2. 16.2Parallel lines and transversals
    3. 16.3Parallel line proofs
    4. 16.4Perpendicular line proofs
  17. 17Scale Factors and Similarity
    1. 17.1Enlargements and reductions with scale factors
    2. 17.2Scale diagrams
    3. 17.3Similar triangles
    4. 17.4Similar polygons
  18. 18Pythagorean Theorem
    1. 18.1Squares and square roots
    2. 18.2Pythagorean theorem
    3. 18.3Estimating square roots
    4. 18.4Using the pythagorean relationship
    5. 18.5Applications of pythagorean theorem
  19. 19Introduction to 3-dimensional figures
    1. 19.1Introduction to surface area of 3-dimensional shapes
    2. 19.2Nets of 3-dimensional shapes
    3. 19.3Surface area of prisms
    4. 19.4Surface area of cylinders
  20. 20Circles
    1. 20.1Circles and circumference
    2. 20.2Arcs of a circle
    3. 20.3Areas and sectors of circles
  21. 21Patterns and Solving Equations
    1. 21.1Patterns
    2. 21.2Evaluating algebraic expressions
    3. 21.3Evaluating polynomials
  22. 22Introduction to Polynomials
    1. 22.1Characteristics of polynomials
    2. 22.2Equivalent expressions of polynomials
    3. 22.3Adding and subtracting polynomials
  23. 23Solving Linear Equations
    1. 23.1Model and solve one-step linear equations: ax = b, x/a = b
    2. 23.2Solving two-step linear equations using addition and subtraction: ax + b = c
    3. 23.3Solving two-step linear equations using multiplication and division: x/a + b = c
    4. 23.4Solving two-step linear equations using distributive property: a(x + b) = c
  24. 24Solving Linear Equations (Advanced)
    1. 24.1Solving linear equations using multiplication and division
    2. 24.2Solving two-step linear equations: ax + b = c, x/a + b = c
    3. 24.3Solving linear equations using distributive property: a(x + b) = c
    4. 24.4Solving linear equations with variables on both sides
    5. 24.5Solving literal equations
  25. 25Linear Inequalities
    1. 25.1Express linear inequalities graphically and algebraically
    2. 25.2Solving one-step linear inequalities
    3. 25.3Solving multi-step linear inequalities
    4. 25.4Compound inequalities
  26. 26Linear Functions
    1. 26.1Distance formula: d=(x2−x1)2+(y2−y1)2d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}
    2. 26.2Midpoint formula: M=(x1+x22,y1+y22)M = ( \frac{x_1+x_2}2 ,\frac{y_1+y_2}2)
    3. 26.3Gradient equation: m=y2−y1x2−x1m = \frac{y_2-y_1}{x_2- x_1}
    4. 26.4Gradient intercept form: y = mx + b
    5. 26.5General form: Ax + By + C = 0
    6. 26.6Gradient-point form: y−y1=m(x−x1)y - y_1 = m (x - x_1)
    7. 26.7Rate of change
    8. 26.8Graphing linear functions using table of values
    9. 26.9Graphing linear functions using x- and y-intercepts
    10. 26.10Graphing from gradient-intercept form y=mx+b
    11. 26.11Graphing linear functions using a single point and gradient
    12. 26.12Word problems of graphing linear functions
    13. 26.13Parallel and perpendicular lines in linear functions
    14. 26.14Applications of linear relations
  27. 27Multiplication and Division of Polynomials
    1. 27.1Multiplying and dividing monomials
    2. 27.2Multiplying polynomials by monomials
    3. 27.3Dividing polynomials by monomials
  28. 28Data and Graphs
    1. 28.1Reading and drawing bar graphs
    2. 28.2Reading and drawing histograms
    3. 28.3Reading and drawing line graphs
    4. 28.4Box-and-whisker plots and scatter plots
    5. 28.5Stem-and-leaf plots
    6. 28.6Pie charts
    7. 28.7Reading and drawing Venn diagrams
  29. 29Statistics
    1. 29.1Median and mode
    2. 29.2Mean
    3. 29.3Range and outliers
    4. 29.4Application of averages
  30. 30Probability
    1. 30.1Determining probabilities using tree diagrams and tables
    2. 30.2Probability of independent events
    3. 30.3Probability with Venn diagrams
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FAQ
  • My class uses Cambridge Checkpoint Mathematics 9. Would your year 9 maths lessons help?

    Certainly! Our lessons cover all the topics you will find in your textbook. We also have lessons on topics you see in other year 9 maths books such as KS3 Maths Complete Coursebook by Letts.

  • What class should I take after year 9 maths?

    Once you are comfortable with Year 8 Maths, you can move onto this course. After you mastered year 9 maths, your follow up course should be Year 10 Maths.

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