Math Definitions - Letter I
Chapters
Index (Power)
Definition of Index (Power)
The index of a number tells us how many times we need to multiply it with itself to give the required value.
It is written as a little number above and to the right of the base number.
For example, \(9^4 = 9 \times 9 \times 9\times 9\). The \(4\) in the index tells us to multiply \(9\) by itself \(4\) times.
Other terms for the index include the exponent or the power.
Description
The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.
Audience
Year 1 to Year 12 students
Learning Objectives
Learn common math terms starting with letter I
Author: Subject Coach
Added on: 6th Feb 2018
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