Year 13 Math Practice Questions and Topics

Year 13 (ages 17–18) completes A-level Maths, extending Year 12's calculus into more advanced differentiation and integration techniques, introducing differential equations (equations involving rates of change themselves, used to model real processes like population growth or cooling), and covering further pure topics including more advanced functions, trigonometric identities, series, vectors in three dimensions, numerical methods, and formal mathematical proof. The statistics and mechanics strands (whichever a student's course includes) similarly build to their most advanced level, tying directly into what's needed for many university courses in the sciences, engineering, economics and mathematics itself.

By the end of Year 13, a student should apply the chain, product and quotient rules of differentiation fluently, solve simple differential equations, work confidently with vectors in three dimensions, construct a formal mathematical proof, and apply advanced numerical or statistical methods depending on their course's optional content.

The most common difficulty is that Year 13 content is cumulative in an unusually demanding way — a differential equation typically requires solid integration technique, which requires solid differentiation, which requires solid algebra, so a small gap anywhere in that chain surfaces as a much larger, harder-to-diagnose problem at this level. The second frequent struggle is proof: after two years of calculation-focused work, constructing a logical, rigorous written argument feels like a different discipline, and many capable students initially find it harder to know how to start a proof than to do the maths itself.

This is the final year of school mathematics for most students who take it, and it's the year that most directly prepares for the mathematical demands of a STEM degree — the calculus, proof and modelling skills built here are assumed, not retaught, at university level.

*A note on confidence, same as Year 12: exact topic placement and depth (particularly for differential equations, numerical methods and the specific statistics/mechanics content) varies by exam board — this reflects the general shape of UK A-level Maths but should be checked against the specific board and specification.* The most useful thing a parent can do at this stage is largely logistical: protecting exam-season revision time and being alert to a student who's stuck on one specific technique for a while, since at this level a single weak link genuinely can stall progress on several later topics at once.

10 topics · 100 practice questions available

Topics covered

Y13m Differentiation

10 questions

Y13m Differentiation

Y13m Integration

10 questions

Y13m Integration

Y13m Differential Equations

10 questions

Y13m Differential Equations

Y13m Functions

10 questions

Y13m Functions

Y13m Trig Identities

10 questions

Y13m Trig Identities

Y13m Series

10 questions

Y13m Series

Y13m Vectors

10 questions

Y13m Vectors

Y13m Numerical

10 questions

Y13m Numerical

Y13m Statistics

10 questions

Y13m Statistics

Y13m Proof

10 questions

Y13m Proof

Sample questions by topic

18 sample questions across every topic above — a small slice of the full bank, with the answer and full explanation shown for each.

Y13m Differentiation

Y13m Differentiation — question 1Normal

Differentiate y = x⁵.

  • 4x⁵
  • x⁴
  • 5x⁶
  • 5x⁴✓ Correct

Why: Multiply by the power, then reduce it by one.

Y13m Differentiation — question 2Average

What is the derivative of cos x?

  • −cos x
  • −sin x✓ Correct
  • sec x
  • sin x

Why: The derivative of cosine is negative sine.

Y13m Differentiation — question 3Good

Using the product rule, differentiate y = x² sin x.

  • 2x sin x + x² cos x✓ Correct
  • 2x sin x
  • 2x cos x
  • x² cos x

Why: u'v + uv' with u = x² and v = sin x.

Y13m Differentiation — question 4Expert

Find dy/dx for the implicit equation x² + y² = 25.

  • −x/y✓ Correct
  • x/y
  • 2x + 2y
  • −y/x

Why: Differentiating gives 2x + 2y(dy/dx) = 0.

Y13m Integration

Y13m Integration — question 1Normal

Integrate x⁴ with respect to x.

  • x⁵ + c
  • 4x³ + c
  • x⁵/5 + c✓ Correct
  • 5x⁵ + c

Why: Raise the power and divide by the new power.

Y13m Integration — question 2Average

What is the integral of sin x?

  • sec x + c
  • −sin x + c
  • −cos x + c✓ Correct
  • cos x + c

Why: Integrating sine gives negative cosine.

Y13m Integration — question 3Good

State the formula for integration by parts.

  • ∫u dv = ∫u ∫v
  • ∫u dv = u'v
  • ∫u dv = uv − ∫v du✓ Correct
  • ∫u dv = uv + ∫v du

Why: The formula follows from the product rule.

Y13m Differential Equations

Y13m Differential Equations — question 1Normal

What is a differential equation?

  • an equation with only constants
  • a vector equation
  • a quadratic equation
  • an equation involving derivatives✓ Correct

Why: It relates a function to its rate of change.

Y13m Differential Equations — question 2Average

Solve dy/dx = 3.

  • y = 3x²/2 + c
  • y = 3x + c✓ Correct
  • y = x³ + c
  • y = 3 + c

Why: Integrate both sides with respect to x.

Y13m Differential Equations — question 3Good

What method solves dy/dx = f(x)g(y)?

  • separation of variables✓ Correct
  • integration by parts
  • substitution only
  • the chain rule

Why: Separate the variables then integrate both sides.

Y13m Differential Equations — question 4Expert

Solve dy/dx = y/x by separating variables.

  • y = Ax✓ Correct
  • y = Ae^x
  • y = x + c
  • y = ln x + c

Why: Integrating gives ln y = ln x + c, so y = Ax.

Y13m Functions

Y13m Functions — question 1Average

If f(x) = 2x + 1, what is f⁻¹(x)?

  • 1/(2x + 1)
  • 2x − 1
  • (x + 1)/2
  • (x − 1)/2✓ Correct

Why: Swap and rearrange to make x the subject.

Y13m Functions — question 2Good

What is the graph of f⁻¹(x) in relation to f(x)?

  • a reflection in the x-axis
  • a translation upward
  • a reflection in the line y = x✓ Correct
  • a stretch

Why: Inverse functions mirror across y = x.

Y13m Functions — question 3Expert

What transformation maps y = f(x) to y = f(2x)?

  • a horizontal stretch of factor 1/2✓ Correct
  • a translation right 2
  • a horizontal stretch of factor 2
  • a vertical stretch of factor 2

Why: Multiplying inside compresses horizontally.

Y13m Trig Identities

Y13m Trig Identities — question 1Average

What is cosec θ equal to?

  • 1/sin θ✓ Correct
  • sin θ
  • 1/cos θ
  • 1/tan θ

Why: Cosecant is the reciprocal of sine.

Y13m Trig Identities — question 2Good

Expand cos 2θ in terms of cos θ only.

  • 2sin²θ − 1
  • cos²θ + sin²θ
  • 2cos²θ − 1✓ Correct
  • 1 − 2cos²θ

Why: One of the three double-angle forms.

Y13m Series

Y13m Series — question 1Good

In (1 + x)⁶, what is the coefficient of x²?

  • 15✓ Correct
  • 20
  • 6
  • 30

Why: 6C2 = 15.

Y13m Vectors

Y13m Vectors — question 1Good

If two vectors are perpendicular, what is their scalar product?

  • −1
  • 0✓ Correct
  • undefined
  • 1

Why: Perpendicular vectors have a zero dot product.

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