Question 1Extended · calculator
In triangle , angle , angle and cm. Find .
IGCSE Maths: Core or Extended?
Core candidates sit Papers 1 and 3 and can reach grades C to G. Extended candidates sit Papers 2 and 4 and can reach A* to E. Your school enters you for one tier.
| Core papers | 1 and 3, 1 hour 30 minutes, 80 marks each |
|---|---|
| Core grades | C to G |
| Extended papers | 2 and 4, 2 hours, 100 marks each |
| Extended grades | A* to E |
Who sits which
Core is for students who have studied the Core content or expect a grade D or below. Extended is for students who have studied the Extended content and expect a grade C or above.
What Extended adds
- Number and algebra: exponential growth and decay, surds, algebraic fractions, direct and inverse proportion, functions and differentiation.
- Shape: lengths and midpoints, perpendicular lines, circle theorems II, the sine and cosine rules, trigonometry in 3D, vectors.
- Data: conditional probability, cumulative frequency diagrams and histograms with unequal class widths.
Try 2 questions
Question 2Extended · no calculator
The cumulative frequency diagram shows the times, in seconds, that people took to solve a puzzle. Use it to estimate the median time.
Next step
Questions people ask
Does this course cover both tiers?
Yes. Every question is labelled Core or Extended, and the two timed checks are one of each.
What is the highest grade on the Core tier?
Grade C. Core papers are graded C to G, so a candidate aiming above C needs the Extended tier.