UK Year 9 Maths made completely easy!

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.

All our lessons are taught by experienced Year 9 Maths teachers. Let's finish your homework in no time, and ACE that test.

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Common Questions
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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4.7 stars based on 7 reviews.
Luca Moss

StudyPug was a pleasant surprise. When my son started year 9 maths, he was failing. After getting him a StudyPug subscription, he was taking home A’s. Happy to have found this site and know that it really works.

Erin S.

When I was panicking about how to help my child with their upcoming ks3 assessment, the school’s math teacher told me about how she gets reference materials from StudyPug. I went through a few lessons with my child and I can say that the maths revision is spectacular. The videos aren’t boring, but instead go in-depth when teaching new concepts. Definitely a lot less worried about their coming year 9 maths test.

Robert Lamb

My mom bought me a lot of extra workbooks and textbooks to help me since I need extra maths help. It would take me hours to figure out something from the books that I can learn in five minutes on StudyPug. I’m pretty amazed at how much quicker I’m understanding math now with StudyPug to help with maths revision.

Katherine Charlton

The site is working very well for my children. I have one doing year 9 maths and one in year 10 maths. They both use StudyPug and it helps them tremendously!

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My son got a glowing review at the end of his key stage 3 assessment for year 9 maths. What we did this year prior to the exam was that we decided to get him StudyPug and he’s hasn’t complained about the platform at all—he usually comes to us talking about how boring his textbooks are. They’re the main source of his procrastination. Relieved to have found something that works for my son.

Abbie Lowe

Because I have StudyPug, my parents stopped making me go to a tutor. I like being able to watch the videos and do revisions at a more flexible time, and I think the site works just as well as my tutor. I’m able to properly do my year 9 maths worksheets now rather than having to ask my tutor all the time.

Kyle C.

I had a pupil who had a tough time figuring out how to work out fractions. The class had moved on from that topic a while back, but this pupil was continuing to struggle with the new concepts since he hadn’t grasped fractions yet. I talked to his parents and told them about StudyPug—I know a few teachers who use it to help guide their lessons. This pupil has been doing much better, and with some more maths revision, I think he’ll soon be catching up to our regular maths classes soon!

UK Year 9 Maths topics

We have plenty of free lessons for you to watch

1Number Theory

1.1Divisibility Rules
1.2Determining Common Factors
1.3Determining Common Multiples
1.4Introduction to Exponents

2Number Systems

2.1Understanding the number systems (free lessons)
2.2Prime factorisation
2.3Greatest common factors (GCF)
2.4Least common multiple (LCM) (free lessons)
2.5Rational vs. Irrational numbers
2.6Converting repeating decimals to fractions

3Adding and Subtracting Integers

3.1Introduction to integer addition
3.2Adding integers
3.3Introduction to integer subtraction
3.4Subtracting integers
3.5Word problems on adding and subtracting integers

4Multiplying and Dividing Integers

4.1Understanding integer multiplication
4.2Multiplying integers
4.3Understanding integer division
4.4Dividing integers
4.5Applications of integer operations

5Rational Numbers

5.1Comparing and ordering rational numbers (free lessons)
5.2Solving problems with rational numbers in decimal form
5.3Solving problems with rational numbers in fraction form
5.4Determine square roots of rational numbers

6Operations with Decimals

6.1Adding and subtracting decimal numbers
6.2Multiplying decimal numbers
6.3Dividing decimal numbers
6.4Order of operations (BIDMAS)

7Adding and Subtracting Fractions

7.1Using model to add and subtract fractions
7.2Adding fractions with like denominators
7.3Subtracting fractions with like denominators
7.4Adding and subtracting fractions with unlike denominators
7.5Adding and subtracting mixed numbers

8Multiplying and Dividing Fractions

8.1Multiplying fractions and whole numbers (free lessons)
8.2Dividing fractions with whole numbers
8.3Multiplying proper fractions
8.4Multiplying improper fractions and mixed numbers
8.5Dividing fractions and mixed numbers
8.6Applications of fraction operations

9Powers and Exponents

9.1Using exponents to describe numbers (free lessons)
9.2Exponent rules
9.3Order of operations with exponents
9.4Using exponents to solve problems

10Surds

10.1Square and square roots (free lessons)
10.2Cubic and cube roots
10.3Evaluating and simplifying surds
10.4Converting radicals to mixed surds
10.5Converting radicals to entire surds (free lessons)
10.6Adding and subtracting surds
10.7Multiplying and dividing surds
10.8Rationalize the denominator

11Ratios, Rates, and Proportions

11.1Ratios (free lessons)
11.2Rates
11.3Proportions

12Proportional Relationships

12.1Identifying proportional relationships
12.2Understanding graphs of linear relationships (free lessons)
12.3Understanding tables of values of linear relationships
12.4Applications of linear relationships (free lessons)

13Percents

13.1Representing percents (free lessons)
13.2Percents, fractions, and decimals
13.3Percent of a number
13.4Adding and multiplying percents
13.5Taxes, discounts, tips and more
13.6Simple interest

14Measuring Systems

14.1Metric systems (free lessons)
14.2Imperial systems
14.3Conversions between metric and imperial systems
14.4Conversions involve squares and cubic

15Coordinates, Quadrants, and Transformations

15.1Cartesian plane
15.2Draw on coordinate planes
15.3Introduction to transformations
15.4Horizontal and vertical distances

16Angles, Lines, and Transversals

16.1Pairs of lines and angles
16.2Parallel lines and transversals
16.3Parallel line proofs
16.4Perpendicular line proofs (free lessons)

17Scale Factors and Similarity

17.1Enlargements and reductions with scale factors (free lessons)
17.2Scale diagrams
17.3Similar triangles
17.4Similar polygons

18Pythagorean Theorem

18.1Squares and square roots (free lessons)
18.2Pythagorean theorem (free lessons)
18.3Estimating square roots (free lessons)
18.4Using the pythagorean relationship
18.5Applications of pythagorean theorem

19Introduction to 3-dimensional figures

19.1Introduction to surface area of 3-dimensional shapes (free lessons)
19.2Nets of 3-dimensional shapes
19.3Surface area of prisms
19.4Surface area of cylinders

20Circles

20.1Circles and circumference
20.2Arcs of a circle
20.3Areas and sectors of circles

21Patterns and Solving Equations

21.1Patterns
21.2Evaluating algebraic expressions
21.3Evaluating polynomials

22Introduction to Polynomials

22.1Characteristics of polynomials (free lessons)
22.2Equivalent expressions of polynomials
22.3Adding and subtracting polynomials

23Solving Linear Equations

23.1Model and solve one-step linear equations: ax=bax = b, xa=b\frac{x}{a} = b (free lessons)
23.2Solving two-step linear equations using addition and subtraction: ax+b=cax + b = c
23.3Solving two-step linear equations using multiplication and division: xa+b=c\frac{x}{a} + b = c
23.4Solving two-step linear equations using distributive property: a(x+b)=c\;a\left( {x + b} \right) = c

24Solving Linear Equations (Advanced)

24.1Solving linear equations using multiplication and division (free lessons)
24.2Solving two-step linear equations: ax+b=cax + b = c, xa+b=c{x \over a} + b = c
24.3Solving linear equations using distributive property: a(x+b)=ca(x + b) = c (free lessons)
24.4Solving linear equations with variables on both sides
24.5Solving literal equations

25Linear Inequalities

25.1Express linear inequalities graphically and algebraically (free lessons)
25.2Solving one-step linear inequalities (free lessons)
25.3Solving multi-step linear inequalities (free lessons)
25.4Compound inequalities

26Linear Functions

26.1Distance formula: d=(x2−x1)2+(y2−y1)2d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2} (free lessons)
26.2Midpoint formula: M=(x1+x22,y1+y22)M = ( \frac{x_1+x_2}2 ,\frac{y_1+y_2}2) (free lessons)
26.3Gradient equation: m=y2−y1x2−x1m = \frac{y_2-y_1}{x_2- x_1}
26.4Gradient intercept form: y = mx + b (free lessons)
26.5General form: Ax + By + C = 0 (free lessons)
26.6Gradient-point form: y−y1=m(x−x1)y - y_1 = m (x - x_1) (free lessons)
26.7Rate of change
26.8Graphing linear functions using table of values
26.9Graphing linear functions using x- and y-intercepts (free lessons)
26.10Graphing from gradient-intercept form y=mx+b
26.11Graphing linear functions using a single point and gradient
26.12Word problems of graphing linear functions
26.13Parallel and perpendicular lines in linear functions (free lessons)
26.14Applications of linear relations

27Multiplication and Division of Polynomials

27.1Multiplying and dividing monomials (free lessons)
27.2Multiplying polynomials by monomials
27.3Dividing polynomials by monomials

28Data and Graphs

28.1Reading and drawing bar graphs
28.2Reading and drawing histograms
28.3Reading and drawing line graphs
28.4Box-and-whisker plots and scatter plots
28.5Stem-and-leaf plots
28.6Pie charts
28.7Reading and drawing Venn diagrams

29Statistics

29.1Median and mode
29.2Mean
29.3Range and outliers
29.4Application of averages

30Probability

30.1Determining probabilities using tree diagrams and tables (free lessons)
30.2Probability of independent events
30.3Probability with Venn diagrams
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