Class 6 Mathematics | Indices

Mathematics Class 6, Algebra

Indices

Base and index · Index form and expanded form · Used in area and volume

What we will be able to do

🔢

Write a long multiplication in index form

🔍

Name the base and the index in a term

↔️

Open an index back into expanded form

📦

Write area and volume answers using indices

🟦Square

Both sides measure a units

Area = a × a

a multiplied 2 times, so a²

🧊Cube

All three edges measure a units

Volume = a × a × a

a multiplied 3 times, so a³

The notes are free to read in full.

Presenter notes: Today we learn a short way of writing the same number multiplied again and again. That short way is called an index.