Practice

Upper secondary / high school

Pick a topic to start practising.

• Powers and roots

  Squares, cubes and other powers, square and cube roots, and the index laws.

• Linear equations

  Solve one-step, two-step and both-sides equations.

• Pythagoras’ theorem

  Find missing sides of right triangles.

• Expanding brackets

  Multiply out single and double brackets.

• Quadratic equations

  Solve quadratics by square roots, factorising or the formula.

• Straight-line graphs

  Gradients and intercepts of straight lines, from equations and from two points.

• Simultaneous equations

  Solve two linear equations in x and y together.

• Trigonometry: exact values

  sin, cos and tan of special angles.

• Differentiation

  Differentiate polynomials with the power rule.