Working Out Perimeters and Areas
In this educational material, you will find exercises on calculating the perimeters and areas of various shapes using simple formulas. From squares to rectilinear shapes, these examples will help you understand the concepts clearly and sharpen your math skills.
Download Presentation
Please find below an Image/Link to download the presentation.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.
You are allowed to download the files provided on this website for personal or commercial use, subject to the condition that they are used lawfully. All files are the property of their respective owners.
The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author.
E N D
Presentation Transcript
1) Work out the perimeter of the shapes. Each square represents 1 cm 2) 2? + 2? = 20 Find the value of ? if ? = 8 3) 8 9 = 72
1) Work out the perimeter of the shapes. Each square represents 1 cm 3 cm 2 cm 2 cm 3 cm 10 cm 12 cm 18 cm 2) 2? + 2? = 20 Find the value of ? if ? = 8 2 8 16 + 2?= 20 2?= 4 ?= 2 3) 8 9 = 72
Perimeter 5 cm 2 cm 2 cm 4 cm 2 cm 7 cm 5 + 2 + 2 + 2 + 7 + 4 = 22 cm
1 cm 1 cm The area of the small square is 1 cm2 This square is made out of 4 of the smaller squares. It has an area of 4 cm2
4 cm 1 cm 1 cm 6 cm What is the area of the rectangle? The area of the rectangle is ____ cm2 24
4 cm 6 cm The formula for the area of a rectangle Length Width 6 cm 4 cm = 24 cm2
You cant work out the perimeter, you need to know all the lengths. 3 cm 4 cm 6 cm 2 cm You can! 5 cm Have a think
3 cm 4 cm 6 cm 2 cm 2 cm 5 cm 6 = 4 + ? 6 + 3 + 4 + 2 + 2 + 5 = 22 cm
Find the area of this rectilinear shape. 2 cm 2 cm 4 cm2 6 cm 5 cm 24 cm2 3 cm 8 cm 2 cm 2 cm = 4 cm2 3 cm 8 cm = 24 cm2 4 cm2 + 24 cm2 = 28 cm2 How many different ways could you do it? Have a think
Find the area of this rectilinear shape. 2 cm 2 cm 6 cm 10 cm2 5 cm 18 cm2 3 cm 2 cm 2 cm = 4 cm2 2 cm 5 cm = 10 cm2 3 cm 8 cm = 24 cm2 3 cm 6 cm = 18 cm2 4 cm2 + 24 cm2 = 28 cm2 10 cm2 + 18 cm2 = 28 cm2
Find the area of this rectilinear shape. 2 cm 12 cm2 2 cm 6 cm 5 cm 40 cm2 3 cm 8 cm 2 cm 2 cm = 4 cm2 2 cm 5 cm = 10 cm2 3 cm 8 cm = 24 cm2 3 cm 6 cm = 18 cm2 4 cm2 + 24 cm2 = 28 cm2 10 cm2 + 18 cm2 = 28 cm2 8 cm 5 cm = 40 cm2 2 cm 6 cm = 12 cm2 40 cm2 12 cm2 = 28 cm2
Have a go at questions 1 - 2 on the worksheet
Area = 40 cm Area = 28 cm Perimeter = 26 cm Perimeter = 22 cm 4 cm 8 cm 5 cm 5 cm 7 cm 7 cm 8 cm 4 cm 16 + 2?= 26 2?= 10 Have a think
Each square represents 1 cm Area = 4 cm Area = 5 cm Perimeter = 10 cm Perimeter = 10 cm Area = 5 cm Perimeter = 12 cm Have a think If you increase the area, the perimeter will also increase.
Have a go at the rest of the questions on the worksheet
