Real Numbers
Use prime structure to reason about divisibility, irrationality, and decimal behaviour.
3 topics · 277 minutes
CBSE 2026–27 · Subject code 041 · school
A complete, interactive 2026–27 Mathematics Standard course built from the official CBSE syllabus and the current NCERT learning sequence, with original explanations and problems.
What you will build
Course map
Use prime structure to reason about divisibility, irrationality, and decimal behaviour.
3 topics · 277 minutes
Connect algebraic expressions, graphs, zeroes, and coefficient relationships.
3 topics · 227 minutes
Model two simultaneous constraints and solve them graphically and algebraically.
4 topics · 340 minutes
Recognise quadratic models, solve them in multiple ways, and interpret the nature of their roots.
4 topics · 291 minutes
Recognise constant additive change and use it to predict terms and accumulated totals.
4 topics · 324 minutes
Use similarity and proportional reasoning to infer lengths and prove geometric relationships.
4 topics · 416 minutes
Translate geometric distance and division into coordinate calculations.
3 topics · 279 minutes
Use right-triangle ratios, standard values, and identities to relate angles and side lengths.
4 topics · 354 minutes
Model heights and distances with lines of sight and right triangles.
3 topics · 208 minutes
Reason about tangents using perpendicular radii and equal tangent lengths.
3 topics · 319 minutes
Measure sectors, arcs, segments, and composite circular regions.
3 topics · 255 minutes
Model objects made from combinations of standard solids and distinguish exposed area from occupied volume.
4 topics · 351 minutes
Summarise grouped data with mean, median, and mode while interpreting what each measure represents.
4 topics · 401 minutes
Model equally likely outcomes, calculate simple event probabilities, and reason with complements.
3 topics · 227 minutes