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.

241 to 264 of 1,595 topics

By subject and area, youngest first

  • 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 // Mathematical Thinking

    Showing Your Working

    Show and tell how a mathematical answer was found using objects, drawings, and spoken words

    Ages 5 to 6Thinking skill
  • Mathematics // Mathematical Thinking

    Making Sense of Problems

    Make sense of a problem by identifying what is being asked, choosing concrete objects or pictures to represent the situation, and explaining a pathway to the…

    Ages 5 to 6Thinking skill
  • Mathematics // Mathematical Thinking

    Using objects to model real problems

    Use objects, drawings, or simple number sentences to represent a real-world situation (early mathematical modelling)

    Ages 5 to 6Thinking skill
  • Mathematics // Mathematical Thinking

    Spotting mathematical patterns

    Notice simple patterns and structures: spot that changing order doesn't change the total, and recognise how numbers relate to each other

    Ages 5 to 6Thinking skill
  • Mathematics // Mathematical Thinking

    Early Maths Vocabulary

    Use mathematical words carefully when counting, comparing, and describing shapes and positions

    Ages 5 to 6Thinking skill
  • Mathematics // Mathematical Thinking

    Real-World to Maths Connections

    Move between a real-world situation and a mathematical representation using concrete objects, drawings, diagrams, tables, number sentences, or bar models

    Ages 5 to 6Thinking skill
  • Mathematics // Mathematical Thinking

    Finding efficient methods

    Notice when a calculation or pattern repeats and use this to count more efficiently or predict results

    Ages 5 to 6Thinking skill
  • Mathematics // Mathematical Thinking

    Hands-On Problem Solving

    Select and use familiar tools (concrete objects, fingers, ten frames) to help solve a mathematical problem

    Ages 5 to 6Thinking skill
  • Mathematics // Mathematical Thinking

    Explaining Mathematical Reasoning

    With teacher prompting, explain and justify mathematical reasoning using drawings, number sentences, or words

    Ages 6 to 7Thinking skill
  • Mathematics // Mathematical Thinking

    Guided Multi-Step Problem Solving

    With teacher guidance, make sense of multi-step and more complex problems by planning a pathway to the solution, identifying relevant information, and choosing…

    Ages 6 to 7Thinking skill
  • Mathematics // Mathematical Thinking

    Connecting maths to real life

    Represent real-world problems with number sentences, bar models, or diagrams, and interpret the mathematical result back in context

    Ages 6 to 7Thinking skill
  • Mathematics // Mathematical Thinking

    Numbers on a number line

    Select and use appropriate tools and representations (number lines, hundred squares, rulers, part-whole models) to support problem-solving

    Ages 6 to 7Thinking skill
  • Mathematics // Mathematical Thinking

    Generalising Patterns

    Recognise and use repeated reasoning to generalise: spot calculation patterns, describe rules for sequences, and predict results using known mathematical facts

    Ages 6 to 7Thinking skill
  • Mathematics // Mathematical Thinking

    Precise Maths Communication

    Communicate with mathematical precision: use correct vocabulary, specify units, and use symbols accurately

    Ages 6 to 7Thinking skill
  • Mathematics // Mathematical Thinking

    Connecting Representations

    Move between real-world situations, drawings, and number sentences, explaining how each representation connects to the others (quantitative reasoning)

    Ages 6 to 7Thinking skill
  • Mathematics // Mathematical Thinking

    Shape patterns

    Look for and use mathematical structure: apply properties of operations, place-value patterns, and relationships between shapes to solve problems efficiently

    Ages 6 to 7Thinking skill
  • Mathematics // Mathematical Thinking

    Multi-Step Problem Solving

    With teacher support, make sense of multi-step problems involving larger numbers or mixed operations by breaking them into parts, choosing strategies, and…

    Ages 7 to 8Thinking skill
  • Mathematics // Mathematical Thinking

    Understanding fractions (age 7+)

    Communicate with mathematical precision: use correct place-value and fraction vocabulary, specify units in measurement answers, and use notation accurately

    Ages 7 to 8Thinking skill