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Heinemann eMaths Zone 9

Home Page: How much is that a day?
Bill and Melinda Gates Foundation

http://www.gatesfoundation.org/
Find out about all the ways the Bill and Melinda Gates Foundation contributes to the spread of health and learning across global communities.
Textbook page/s: 1
Percentages, fractions and decimals
http://www.mathgoodies.com/lessons/toc_vol4.html
Interactive lessons and test items on the meaning of per cent and changing between percentages, fractions and decimals.
Textbook page/s: 6
Indices
http://www.mathcentre.ac.uk/students.php/all_subjects/algebra/powers/resources/
This site contains lots of information, presented as PDF documents, about indices or powers and how to use them. There are also links to the rules for indices or powers.
Textbook page/s: 19, 23
Maths in Action: Is your pay correct?
Job requirements and conditions

http://www.worksite.actu.asn.au/
Check out a range of jobs, their requirements and conditions and profiles of people working in a range of careers.
Textbook page/s: 32
Maths in Action: Is your pay correct?
Education and employment

http://www.youth.vic.gov.au/
This is the State government’s Department of Education and Training site. Check out the extensive A-Z Guide, the Rights at Work section and a range of other education and employment services.
Textbook page/s: 32

Chapter 2

Home Page: The race for longitude
John Harrison’s timepiece

http://www.surveyhistory.org/john_harrison's_timepiece1.htm
An extensive history of the development of John Harrison’s chronometer and the solving of the longitude problem.
Textbook page/s: 65
Home Page: The race for longitude
Harrison’s chronometers

http://wwp.greenwichmeantime.com/clocks-n-watches/watch/watches/harrison/
An outline of the life and work of John Harrison, with pictures of his chronometers.
Textbook page/s: 65
Converting units 1
http://www.convertit.com/Go/ConvertIt/Measurement/Converter.ASP
A measurement conversion calculator that allows you to enter in a measurement in any unit and then specify which unit you would like to change it to. The computer then does the work.
Textbook page/s: 68
Converting units 2
http://en.wikipedia.org/wiki/Measurement
This site has everything you could possibly want to know about measurement. It includes pages of conversion factors for all measurement systems. Also included is the history of measurement and a detailed look at the metric and imperial systems.
Textbook page/s: 68
Maths in Action: From fingers to feet to metres
Units and systems of measurement

http://en.wikipedia.org/wiki/History_of_measurement
An extensive coverage of the history and development of the units of measurement.
Textbook page/s: 73
Maths in Action: From fingers to feet to metres
Babylonian and Egyptian mathematics

http://www-history.mcs.st-and.ac.uk/history/HistTopics/Babylonian_and_Egyptian.html
An extensive history of Babylonian and Egyptian mathematics.
Textbook page/s: 73
Area of a trapezium
http://www.mathgoodies.com/lessons/vol1/area_trapezoid.html
This site gives a lesson on the calculation of the area of a trapezium and then gives several problems to solve. This site is American and uses some imperial units, such as feet and inches, as well as metric units, but the formulae still applies.
Textbook page/s: 87
Modelling 3D objects
http://www.aaamath.com/geo.html
Geometry index page. Includes lessons on the surface area and volume of numerous shapes.
Textbook page/s: 94, 98
Cylinders, cones and spheres
http://www.math.com/school/subject3/lessons/S3U4l4DP.html
This site includes explanations and examples of how to calculate the volume of cylinders, cones and spheres. Workout questions are also included.
Textbook page/s: 98

Chapter 3

The School of Athens
http://employees.oneonta.edu/farberas/arth/arth213/school_athens.html
Click on the image at the top of the page to see a full picture of the famous painting of the School of Athens. Go to the bottom of the page for the image of Pythagoras.
Textbook page/s: 113
Home Page: Will the real Pythagoras please stand up?
Pythagoras and the music of the spheres

http://www.dartmouth.edu/~matc/math5.geometry/unit3/unit3.html
Find out about Pythagorean thinking and what Pythagoras meant when he described the ‘music of the spheres’.
Textbook page/s: 113
Pythagoras’ Theorem 1
http://scidiv.bcc.ctc.edu/Math/Pythagoras.html
A colourful reminder of Pythagoras’ Theorem together with a little history and some links to other related sites.
Textbook page/s: 117, 140
Maths in Action: The secret society
Pythagoras’ Theorem 2

http://jwilson.coe.uga.edu/emt669/Student.Folders/Huberty.Greg/Pythagorean.html
An outline of the theorem of Pythagoras.
Textbook page/s: 127
Maths in Action: The secret society
Pythagoras’ Theorem 3

http://jwilson.coe.uga.edu/EMT668/EMT668.Student.Folders/HeadAngela/essay1/Pythagorean.html
An outline of the theorem of Pythagoras, including graphic representations.
Textbook page/s: 127
Maths in Action: The secret society
Pythagoras’ Theorem 4

http://www.math.tamu.edu/~dallen/history/pythag/pythag.html
An overview and explanation of the theorem of Pythagoras.
Textbook page/s: 127

Chapter 4

Home Page: The game of algebra
Game theory 1

http://william-king.www.drexel.edu/top/eco/game/intro.html
Find out more about game theory.
Textbook page/s: 151
Home Page: The game of algebra
Game theory 2

http://www.infoplease.com/ce6/sci/A0820124.html
An outline of the theory of games and its applications.
Textbook page/s: 151
Number skills
http://www.mathgoodies.com/lessons/toc_vol3.html
A site which revises the concept of the highest common factor and uses this to factorise non-algebraic examples. You may like to revise this before looking at factorising algebraic expressions. By going back to the main menu for this site you can revise multiples, prime numbers and divisibility patterns.
Textbook page/s: 173
Factorising the difference of two squares
http://www.algebrahelp.com/lessons/factoring/differencebetweensquares/
This site offers tutorials and practice drills for factorising using the Difference of Two Squares rule.
Textbook page/s: 180
Factorising for x2 + bx + c
http://www.mathsrevision.net/gcse/pages.php?page=14
This site offers tutorials and practice drills for factorising quadratic trinomials.
Textbook page/s: 186
Factorising for ax2 + bx + c
http://www.revision-notes.co.uk/revision/729.html
This site offers tutorials and practice drills for factorising quadratic trinomials with a coefficient for x2.
Textbook page/s: 186

Chapter 5

Home Page: How high can you go?
The Great Trigonometrical Survey of India

http://www.positionmag.com.au/MM/content/2002/MM21/feature_2/MM21_feature_2.html
Find out more about the Great Trigonometrical Survey of India and the history of surveying.
Textbook page/s: 195
Right-angled triangle trigonometry
http://www.regentsprep.org/regents/math/algebra/AT2/LtrigW.htm
An outline of how to interpret word problems involving angles of elevation and depression.
Textbook page/s: 229
Trigonometry—heights and distances
http://www.bbc.co.uk/scotland/education/bitesize/standard/other/sos/maths/trigonometry/index.shtml
Explanations and examples of how trigonometry is used to calculate heights and distances, using the angles of elevation and depression.
Textbook page/s: 229

Chapter 6

Home Page: Transport on the up and up
Katoomba Scenic Railway

http://infobluemountains.net.au/rail/ksr/ride2.htm
Take a virtual reality ride on the Katoomba Scenic Railway at this site.
Textbook page/s: 243
Gradient of straight-line graphs 1
http://ola4.aacc.edu/dfsymancyk/web131/lineqns/lineqns.html
Examples of how to calculate the gradient of a straight line and how to find an equation from a straight-line graph.
Textbook page/s: 251
Gradient of straight-line graphs 2
http://cow.math.temple.edu/~cow/cgi-bin/manager
This site provides practice examples and explanations of gradient problems. Choose Calculus Book 1. Select Functions and geometry and work through the exercises on gradient and equations.
Textbook page/s: 251
Solving equations
http://www.sosmath.com/algebra/solve/solve0/solve0.html
This site demonstrates solutions to 50 types of equations and gives an opportunity for individual practice.
Textbook page/s: 275, 279
Maths in Action: The power of an equation
Introduction to nuclear energy

http://www.world-nuclear.org/education/intro.htm
An extensive overview of nuclear energy from the World Nuclear Association, including links to various information papers and fact sheets. The home page of the World Nuclear Association contains the full list of information and issues briefs.
Textbook page/s: 282
Maths in Action: The power of an equation
Uranium 1

http://www.uraniumsa.org/
This site is designed to inform the general community about the current and potential uranium mining operations in South Australia. It also deals with issues related to the use and management of uranium in the context of safety and sustainable development.
Textbook page/s: 282
Maths in Action: The power of an equation
Uranium 2

http://www.uic.com.au/education.htm
A set of papers covering a broad range of issues related to the use of uranium.
Textbook page/s: 282

Chapter 7

Home Page: Weather defies expectations
Commonwealth Bureau of Meteorology

http://www.bom.gov.au/
The home page of Australia’s Bureau of Meteorology contains links to current weather information and charts, as well as media releases, school projects and anything you need to know about Australian weather.
Textbook page/s: 309
Displaying data
http://www.df.lth.se/~mikaelb/statiscope/statiscope.shtml
A site which will allow you to enter data and then choose to display that data as a box-and-whisker plot, stem-and-leaf plot or frequency table. The average (mean) and other statistics beyond this course are also available. Click on the example list to open the page for entering data and choosing display types.
Textbook page/s: 316, 321, 328, 335
Histograms and bar graphs
http://www.shodor.org/interactivate/lessons/HistogramsBarGraph/
The goal of this lesson is to introduce histograms, bar graphs and the concept of class interval. An activity and three discussions with extra exercises help you learn how data can be graphically represented (and misrepresented).
Textbook page/s: 337, 344

Chapter 8

Home Page: Ingenious invention holds water
Klein bottles

http://www.kleinbottle.com/whats_a_klein_bottle.htm
Find out more about Klein bottles.
Textbook page/s: 371
What are tessellations?
http://www.coolmath.com/tesspag1.htm
This site will give you an introduction to tessellations, including types of tessellations and the shapes that can be used to make them.
Textbook page/s: 392, 393
M. C. Escher
http://www.mcescher.com/
This is the official Escher website. It gives a thorough coverage of his life and works and the gallery contains an extensive array of his images. There are also links to many other Escher sites.
Textbook page/s: 394

Chapter 9

Home Page: How scary is that?
Cyclone roller coaster

http://www.dreamworld.com.au/
Pictures and description of Dreamworld’s Cyclone. Click on ‘Rides’, then ‘Thrill Rides’ to find the link to the Cyclone.
Textbook page/s: 421
Home Page: How scary is that?
Roller coasters

http://www.howstuffworks.com/roller-coaster.htm
Find out how roller coasters work.
Textbook page/s: 421
Quadratic equations
http://www.algebra.com/algebra/homework/quadratic/practice.epl
This site offers tutorials and practice drills for the factorising of quadratics.
Textbook page/s: 425
Quadratic functions
http://library.thinkquest.org/20991/alg2/quad2.html
Examples of how various transformations affect the position of the curve.
Textbook page/s: 437, 448
The Null Factor Law
http://www.saab.org/mathdrills/factor.cgi
Interactive solving of linear, quadratic, trinomials and beyond. Scoring and correction is supplied.
Textbook page/s: 445

Chapter 10

Home Page: The lucky planet
Asteroid and comet impact hazards

http://impact.arc.nasa.gov/
This site is NASA’s home page for Near Earth Objects (NEOs). It contains links to media releases about comets, meteors and asteroids, as well as updated information about the impact hazard of NEOs with Earth.
Textbook page/s: 469
Certain and impossible events
http://www.mathgoodies.com/lessons/vol6/certain_impossible.html
Interactive experiments on impossible and certain events, and questions including correction.
Textbook page/s: 475, 482
Probability
http://www.mathgoodies.com/lessons/toc_vol6.html
This is the homepage for a probability site. You can choose a topic that you need to revise and work through a lesson including interactive experiments and questions with correction.
Textbook page/s: 475, 480
Maths in Action: From splitting the pot to splitting the pea
Mathematicians of the seventeenth and eighteenth centuries

http://www.maths.tcd.ie/pub/HistMath/People/RBallIndex.html
Available here are accounts of the lives and works of seventeenth and eighteenth century mathematicians (and some other scientists).
Textbook page/s: 499
Maths in Action: From splitting the pot to splitting the pea
Blaise Pascal

http://www-history.mcs.st-andrews.ac.uk/history/Mathematicians/Pascal.html
A detailed account of the life and work of Blaise Pascal.
Textbook page/s: 499
Maths in Action: From splitting the pot to splitting the pea
Pierre de Fermat

http://www-history.mcs.st-andrews.ac.uk/history/Mathematicians/Fermat.html
A detailed account of the life and work of Pierre de Fermat.
Textbook page/s: 499

Worksheet generator

Algebra Worksheet Generator
http://www.math.com/students/worksheet/algebra_sp.htm