Chapter 3: Estimation and Approximation

An introductory lesson on Approximation.

Refer to the link and identify the difference/s between approximation and estimation.

source: http://www.s-cool.co.uk/gcse/maths/approximations.html

after that view the following videos:

Chap 3:

Approximation and Estimation - Significant Figures

Approximation and Estimation - Decimal Places

resource: SARS

For Task 1:

You would like to read

the article for inspiration and watch the documentary on SARS.

source: Youtube http://www.youtube.com/watch?v=PTHuOUPeLzw&feature=related

picture source: wpro.who.int

resource: Save the sharks

for Task 1:

You would like to read the article for inspiration and watch the video.

source: Youtube

http://www.youtube.com/watch?v=_EoQmJ-n9Y4

source of picture: seagrant.mit.edu

Resource: Tipping in Singapore

For Task 1:

You would like to

watch the video for inspiration.

source: Youtube

http://www.singaporeangle.com/2006/11/service-charges-replace-with-tipping.html

Resource: NEWater – the Singapore Story

For Task 1: You would like to watch the video for inspiration.

source: Youtube http://www.youtube.com/watch?v=0aIxQN0Blpg&feature=fvw

Save Planet Earth

For Task 1: You would like to watch the video for inspiration.

source: Youtube http://www.youtube.com/watch?v=F-26WfRr494&feature=related

Estimation in the Real World

project done by Jun Hong 1-09 on Tipping !
project done by Stacey 1-09 on SARS
project done by Si Yuan 1-09 on SARS
project done by Jonan 1-09 on Environmental Awareness
project done by Michelle 1-09 on NEWater

project done by Hardy 1-09 on Tipping in Singapore

This is an introductory exercise on Estimation and Approximation

Objective: to create awareness on the use of estimation and approximation in the real world.

Task:

• Individually complete the following task assign to you
• Find information relevant to the given issue presented
• Present your findings in a simple, 1 page presentation (you may use any media/form)

Key to note:

The presentation should show the following:

• estimated value/s
• the assumption/s that you have made
• your brief reflection on the seriousness of the issue presented.

Upload your 1 page presentation:

ISSUE 1

Environmental Awareness : Minimise usage of paper and save the earth!

Resource: click here

ISSUE 2

NEWater – the Singapore Story

Resource: click here

ISSUE 3

Tipping in Restaurant : A culture or customer's rights!

Resource: click here

ISSUE 4

Abstain from eating Shark fins soup: Save the Sharks !

Resource: click here

ISSUE 5

The Potential Danger : SARS alert!

Resource: click here