Learn // Topics

All topics

Search by name, or narrow by subject, age, and type. Open a topic to see the ages it covers, what to learn first, and where it leads.

25 to 48 of 76 topics

By subject and area, youngest first

  • Mathematics // Fractions

    Multiplying fractions (age 11+)

    Interpret fractions and percentages as operators — find a fraction or percentage of an amount by multiplying, understanding that 'of' means multiply (e.g., 3/4…

    Ages 11 to 12Method
  • Mathematics // Fractions

    Mixed & Improper Fractions

    Use the four operations with formal written methods applied to integers, decimals, proper and improper fractions, and mixed numbers, all both positive and…

    Ages 11 to 13Method
  • Mathematics // Fractions

    Decimals and fractions (age 11+)

    Work interchangeably with terminating decimals and their corresponding fractions (such as 3.5 and 7/2 or 0.375 and 3/8); convert fluently between the two forms

    Ages 11 to 13Method
  • Mathematics // Fractions

    Dividing fractions

    Divide a fraction by a fraction using the 'keep-change-flip' method and visual models; interpret and solve word problems involving division of fractions by…

    Ages 11 to 12Method
  • Mathematics // Geometry

    Types of angles (age 8+)

    Use and interpret standard geometric diagram conventions: mark right angles with a small square, equal lengths with single or double tick marks, and equal…

    Ages 8 to 12Representation
  • Mathematics // Geometry

    Transformations on a grid

    Represent and carry out geometric transformations on squared paper or a coordinate grid: reflections (in horizontal, vertical, and diagonal mirror lines…

    Ages 8 to 12Representation
  • Mathematics // Geometry

    Area and volume formulae

    Derive and apply formulae for the area of triangles, parallelograms, and trapezia, and for the volume of cuboids and other prisms (including cylinders)…

    Ages 11 to 14Method
  • Mathematics // Geometry

    Angle sums in triangles and polygons

    Derive and use the angle sum in a triangle (180°), use it to deduce the angle sum in any polygon ((n−2) × 180°), and calculate interior and exterior angles of…

    Ages 11 to 14Method
  • Mathematics // Geometry

    Coordinate Transformations

    Identify properties of translations, rotations, and reflections; describe and perform these transformations on given figures, and understand that the image is…

    Ages 11 to 14Method
  • Mathematics // Geometry

    Types of angles (age 11+)

    Use conventional geometric terms and notation to describe, sketch, and draw points, lines, parallel and perpendicular lines, right angles, regular polygons, and…

    Ages 11 to 13Language
  • Mathematics // Geometry

    Properties of triangles and quadrilaterals

    Derive and illustrate properties of triangles, quadrilaterals, and circles using appropriate language, including interior angles, diagonals, symmetry, and…

    Ages 11 to 13Concept
  • Mathematics // Geometry

    Measuring angles (age 11+)

    Draw and measure line segments and angles accurately using ruler and protractor, and interpret scale drawings to extract real measurements

    Ages 11 to 13Method
  • Mathematics // Geometry

    Understanding angles (age 11+)

    Apply the properties of angles at a point (360°), on a straight line (180°), and vertically opposite angles to find unknown angles in multi-step problems

    Ages 11 to 13Method
  • Mathematics // Geometry

    3-D shapes (age 11+)

    Use the properties of faces, surfaces, edges, and vertices of 3-D shapes (cubes, cuboids, prisms, cylinders, pyramids, cones, and spheres) to solve problems…

    Ages 11 to 13Concept
  • Mathematics // Geometry

    Similarity and enlargement

    Understand similarity as a relationship where one shape is an enlargement of another; construct similar shapes by enlargement with a given scale factor and…

    Ages 12 to 14Concept
  • Mathematics // Geometry

    Circles: Circumference & Area

    Calculate the circumference and area of circles using the formulae C = πd (or 2πr) and A = πr², and solve problems involving perimeters and areas of composite…

    Ages 12 to 14Method
  • Mathematics // Geometry

    Angles in triangles (age 12+)

    Know and use the criteria for triangle congruence (SSS, SAS, ASA, RHS), use standard labelling conventions for sides and angles of triangle ABC, and determine…

    Ages 12 to 14Concept
  • Mathematics // Geometry

    Understanding angles (age 12+)

    Use ruler and compasses to perform standard constructions: perpendicular bisector of a line segment, perpendicular to a line from or at a given point, and…

    Ages 12 to 14Method
  • Mathematics // Geometry

    Angles with parallel lines

    Understand and use the relationship between parallel lines cut by a transversal: corresponding angles, alternate interior angles, and co-interior (same-side…

    Ages 12 to 14Concept
  • Mathematics // Geometry

    Applying Pythagoras' theorem

    Apply Pythagoras’ Theorem (a² + b² = c²) to calculate unknown side lengths in right-angled triangles, including in real-world and coordinate-geometry contexts

    Ages 13 to 14Method
  • Mathematics // Geometry

    Trigonometry basics

    Use the trigonometric ratios sin, cos, and tan in right-angled triangles to find unknown sides and angles, including setting up the correct ratio for a given…

    Ages 13 to 15Method
  • Mathematics // Multiplication & Division

    Using inverse operations

    Recognise and use relationships between operations including inverse operations; use these relationships to check answers and simplify calculations

    Ages 11 to 12Concept
  • Mathematics // Multiplication & Division

    Priority of operations

    Use conventional notation for the priority of operations including brackets, powers, roots, and reciprocals; apply BIDMAS/BODMAS consistently to evaluate…

    Ages 11 to 12Concept
  • Mathematics // Multiplication & Division

    Factors, multiples, and primes (age 11+)

    Use the concepts and vocabulary of prime numbers, factors, multiples, common factors, common multiples, highest common factor (HCF), lowest common multiple…

    Ages 11 to 12Concept