Perimeter & Area Perimeter & Area (regular & irregular)(regular & irregular)

By: Ryan Huynh and

Aishwar Kumar

IntroIntro

In this PowerPoint we will teach you how to measure Perimeter and area. Now lets get started. Make sure you pay attention because we will have a quiz at the end!!!!!!!!!!!!!!

What is Perimeter & Area?What is Perimeter & Area?

Perimeter: is the length of the outside of a shape

Area: is the amount of space inside a shape

How to Measure Perimeter with How to Measure Perimeter with Regular ShapesRegular Shapes

To measure perimeter with regular shapes there are steps. A regular shape is a shape like a square, rectangle etc.

First step: look at the length of the sides of the shape.

Second step: add all the sides together to get the answer.

How to Measure Area with How to Measure Area with regular shapesregular shapes

There are steps to measure area with regular shapes just like perimeter.

First step: look at the length of two sides of the shape.

Second step: Multiply the two numbers to get the answer.

How to measure Perimeter in How to measure Perimeter in irregular shapes irregular shapes

An irregular shape is any random shape. There are steps to measure perimeter with irregular shapes too.

First step: look CAREFULLY at the length of each side.

Second step: add them all together to get the answer.

How to Measure Area with How to Measure Area with irregular shapesirregular shapes

• To measure area with irregular shapes it is a little hard. There are more steps in measuring area with irregular shapes.

• First step: Divide the shape into regular shapes.• Second step: look at the length of two sides of one shape and multiply it.

• Third step: Do the same thing. • Fourth step: Add the products ( the answer to a

multiplication question) together to get your answer

• To measure area with irregular shapes it is a little hard. There are more steps in measuring area with irregular shapes.

• First step: Divide the shape into regular shapes.• Second step: look at the length of two sides of one shape and multiply it.

• Third step: Do the same thing. • Fourth step: Add the products ( the answer to a

multiplication question) together to get your answer

QUIZ QUIZ TIME!!!!!!!!!!!!!!!!!TIME!!!!!!!!!!!!!!!!!

Get a piece of blank paper out. Okay lets get started!!!!!!!!!!!!!!

Question # 1Question # 1

What is the perimeter? 7mi

10mi 10 10mi

7mi

Question #2Question #2

What is the area?

10ft7ft 10ft 7ft

Question #3Question #3

What is the area?15ft

12ft

AnswersAnswers

Question #1 : 34miQuestion #2: 140 ftQuestion #3: 180ft

WE HOPE YOU LIKED OUR WE HOPE YOU LIKED OUR PRESENTATION, BYE!!!!!!!!!!!!!!!!!PRESENTATION, BYE!!!!!!!!!!!!!!!!!