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Math Definitions - Letter P


Pentagonal Number

Definition of Pentagonal Number

Definition of Pentagonal Number

A pentagonal number is a number that can be drawn using a pattern of dots in the shape of a pentagon, like the ones in the diagram.

The first six pentagonal numbers are \(1,5,12,22,35\) and \(51\).

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 P

Author: Subject Coach
Added on: 6th Feb 2018

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