What indices show

Three-panel diagram showing x^3 times x^2 gives x^5, x^5 divided by x^2 leaves x^3 by cancellation, and (x^2)^3 expands to x^6

A power is a short way to write repeated multiplication. For example, $43=4×4×44^3 = 4 \times 4 \times 4$ , so the base is 4 and the index is 3.

Indices Lesson

IGCSE
Maths
Indices

Step-by-step lessons covering CIE IGCSE Maths Indices for Core and Extended tier. Each lesson works through exam-style questions in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) format. Start with the Core-tier fundamentals in number and algebra before moving on to the more demanding Extended-only topics like calculus-adjacent algebra and advanced trigonometry.

Lessons

Compound Interest and DepreciationIndicesPrime Factors, HCF and LCMInequalitiesForming and Solving EquationsSequences (Nth Term)Expanding and FactorisingPythagorasAngles in PolygonsSurface AreaVolume of a PrismCylindersBearingsAverages from Frequency TablesProbability

What indices show

Three-panel diagram showing x^3 times x^2 gives x^5, x^5 divided by x^2 leaves x^3 by cancellation, and (x^2)^3 expands to x^6

A power is a short way to write repeated multiplication. For example, $43=4×4×44^3 = 4 \times 4 \times 4$ , so the base is 4 and the index is 3.

Indices Lesson

IGCSE
Maths
Indices