Perimeter & Area (regular & irregular) By: Ryan Huynh and Aishwar Kumar
Intro 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? Perimeter: is the length of the outside of a shape Area: is the amount of space inside a shape
How to Measure Perimeter with Regular 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 regular 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 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 irregular 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 TIME!!!!!!!!!!!!!!!!! QUIZ TIME!!!!!!!!!!!!!!!!! Get a piece of blank paper out. Okay lets get started!!!!!!!!!!!!!!
Question # 1 What is the perimeter? 7mi 10mi 10 10mi 7mi
Question #2 What is the area? 10ft 7ft 10ft 7ft
Question #3 What is the area? 15ft 12ft
Answers Question #1 : 34mi Question #2: 140 ft Question #3: 180ft
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