MATHEMATICS RESOURCE LIST—WEB BASED RESOURCES This package contains references to selected websites which support the content areas of Mathematics for Number & algebra and Space & measurement. 2011/21620 Mathematics: Resource list—web based resources 1 Copyright © School Curriculum and Standards Authority, 2012 This document—apart from any third party copyright material contained in it—may be freely copied, or communicated on an intranet, for non-commercial purposes by educational institutions, provided that it is not changed in any way and that the School Curriculum and Standards Authority is acknowledged as the copyright owner. Teachers in schools offering the Western Australian Certificate of Education (WACE) may change the document, provided that the School Curriculum and Standards Authority’s moral rights are not infringed. Copying or communication for any other purpose can be done only within the terms of the Copyright Act or by permission of the School Curriculum and Standards Authority. Copying or communication of any third party copyright material contained in this document can be done only within the terms of the Copyright Act or by permission of the copyright owners. Disclaimer Any resources such as texts, websites and so on that may be referred to in this document are provided as examples of resources that teachers can use to support their learning programs. Their inclusion does not imply that they are mandatory or that they are the only resources relevant to the course. 2 Mathematics: Resource list—web based resources MATHEMATICS FOR NUMBER & ALGEBRA AND SPACE & MEASUREMENT RESOURCE LIST – WEB BASED RESOURCES The following links will direct you to websites outside the Authority’s site. The School Curriculum and Standards Authority has no control over the content of materials accessible on the sites that are cross-referenced. It is the responsibility of the user to make decisions about the relevance and accuracy, currency and reliability of information found on these websites. Linking to these sites should not be taken as endorsement of any kind. We cannot guarantee that the links will work all of the time and we have no control over availability of the linked pages. It is your responsibility to check that this information is accurate. The resources listed on the next pages are linked to different units in the Mathematics: Specialist course. The links were live when accessed in August 2011. The resources are classified as: App Dat XL ASt ATe Qu Act These are Java Applets with dynamic capabilities which could be used to demonstrate mathematical relationships to a class or could be used by students. The datasets, often in .txt (text), .dat (data) or .csv (comma separated variable files) form have been chosen to suit the development or assessment of the statistical relationships described in the Mathematics units. Excel files that could be used by students or for demonstration. These articles could be provided to students to stimulate interest in statistics or to demonstrate questionable use of statistics. They are from the database provided by the Mercury newspaper in Hobart, but the issues addressed are of national relevance. These articles are included as a resource for teachers. They report approaches to statistics teaching, classroom use of data sets and historical background. Questions are included that could be used for assessment or in teaching. Activities: The links in this category describe classroom activities. Mathematics: Resource list—web based resources 3 Part 1: Websites by Mathematical Content: Number and Algebra The following links will take the reader to the front end of a given website. For example http://www.calculusapplets.com/ It is policy that School Curriculum and Standards Authority does not provide ‘deep links’ due to copyright issues. There is however a pathway included which will guide the reader to the particular page of the website. The pathway looks like this below and tells the reader where to find the link to the next page or site. ► Continuity and limits ►An informal graphical view of continuity. Patterns University of Surrey http://www.mcs.surrey.ac.uk/ Suitable for 1EMAT §1.3.1 Examines applications of Fibonacci sequence in nature ►Search ►R Knott ►The Fibonacci Numbers and Golden Section in Nature – 1 Algebra balance scales – negatives National Library of Virtual Manipulatives http://nlvm.usu.edu/ This version includes negative numbers and negative coefficients on x Suitable for 2AMAT §1.3.5, 2BMAT §1.3.1, 1.3.2 (linear equations) ►Algebra 9-12►Algebra Balance Scales - Negatives Scale and ratio Balanced Assessment http://balancedassessment.concord.org Our library of assessment tasks ►The task is titled, ‘Ostrich and Seahorse’ A short task suitable for Stage 1 units This could be used in conjunction with 1CMAT §2.1.4 and 2.1.5 Linear inequalities The baby name wizard http://www.babynamewizard.com/ The Baby Name Wizard is a fascinating website that graphically displays the number of babies with different names over the years You can easily track the popularity of different names. Suitable for 1CMAT §3.6.1 ►Graph a name 4 Mathematics: Resource list—web based resources Compound interest simulator Illuminations http://illuminations.nctm.org Consider investments over a period of time, based on the possibility of regular repayments Can be done in conjunction with Finance in 2CMAT §1.4.1 ►Activities ►Search ►Compound Interest Simulator Functions Hippocampus http://www.hippocampus.org Definition and vertical line test (2CMAT §1.2.6) ►Calculus and Advanced Maths ►Calculus AB ►Scroll to ►Vertical line test Function Notation http://www.hippocampus.org/ Also suitable for (2CMAT §1.2.6, 3AMAT §1.2.6) ►Calculus and Advanced Maths ►Calculus AB ►Function Notation Domain and Range Hippocampus http://www.hippocampus.org/ suitable for (3AMAT §1.2.3) ►Calculus ►Calculus AB1 ►Domain and Range Piecewise functions Hippocampus http://www.hippocampus.org/ Piece-wise functions suitable for 3BMAS §5.5. Concord Consortium http://seeingmath.concord.org/ This website allows the user to graph piecewise linear functions. ►Resources ►Seeing Math Interactives ►Piecewise Linear Grapher Exponentials and logarithms Analyzemaths http://www.analyzemath.com/ The following sites are suitable for 3CMAT §1.2.4, when introducing e and for 3BMAS §4.3, §4.4 when introducing e and investigating growth and decay ►Math and Precalculus ►Graphs of Functions, Equations and Algebra ► Exponential Functions or Find Exponential Function Given its Graph Mathematics: Resource list—web based resources 5 Logarithmic functions Analyzemaths http://www.analyzemath.com/ This site is suitable for introducing logarithmic functions and some of the properties associated with this function. Can be used for 3AMAS §3.5 Analyzemaths http://www.analyzemath.com/ This site can be used to examine the relationship between logarithmic and exponential functions. Suitable for 3AMAS §3.3 ►Math and Precalculus ►Graphs of Functions, Equations and Algebra ►Logarithmic Functions Tower of Hanoi National Library of Virtual Manipulatives http://nlvm.usu.edu/ Forming a rule to solve the Tower of Hanoi The Tower of Hanoi puzzle is an engaging and challenging problem for middle school students and an application of exponential functions. It also is the setting for a proof by mathematical induction that the minimum number of moves M to move n disks from one disk to another is given by M = 2^n - 1 Could be used for 3AMAS §3.2 (Establish and use properties of exponential functions), or 3AMAT §1.2.1(Solve simple power equations) ►Virtual library ►Algebra 9-12 ►Scroll down to ►Tower of Hanoi Solving equations Shodor http://www.shodor.org/ A classic Connect Four game. Before playing a chip, your group first has to solve an equation. The teacher can set the time limit and the level of difficulty of the equation before the game starts. Includes linear equations with one step, or two steps and variables on both sides of the equation; also has quadratic equations. Suitable for 2AMAT §1.3.5, 2BMAT §1.3.1, §1.3.2 (linear equations) and 2CMAT §1.3.2 (quadratic equations) ►Educators ►Interactive ►Learners Activities ►Arithmetic Four Functions Graphing lines and simple transformations Balanced Assessment http://balancedassessment.concord.org Suitable for 2AMAT §1.2.4, §1.2.5 are used in the short calculator investigation, ‘Twinkle, Twinkle’ ►Our library of assessment tasks ►‘Twinkle Twinkle’ Balance method for solving equations Maths is fun http://www.mathsisfun.com/ A program that graphically demonstrates the balance method for solving equations. Suitable for 2AMAT §1.3.5, 2BMAT §1.3.1, §1.3.2 (linear equations). ►Algebra ►Balance when Adding and Subtracting (animation) 6 Mathematics: Resource list—web based resources National Library of Virtual Manipulatives http://nlvm.usu.edu/ This virtual manipulative allows you to solve simple linear equations through the use of a balance beam. Suitable for 2AMAT §1.3.5, 2BMAT §1.3.1, §1.3.2 (linear equations). ►Algebra Grades 9-12►Algebra Balance Scales Features of graphs Analyzemaths http://www.analyzemath.com/ This site can be used when commencing work on graphs and the features of the graphs. For example, intercepts for a parabola. Suitable for 2CMAT §1.2.4 Not all of the functions displayed could be examined overall in 3AMAT §1.2.4 ►Math and Precalculus ►Graphs of Functions, Equations and Algebra ►Scroll down to appropriate function Linear graphs – suitable for 2AMAT 1.2.4, 2CMAT §1.2.1 Absolute value – suitable for 3BMAS §5.5 Quadratic – suitable for 2CMAT §1.2.2, §1.2.3, §1.2.4, §1.2.5 Foss Mountain Design. http://www.home.earthlink.net:80/~fossmountdesign/Algebra.html For quadratic equations – use the quadratic or vertex form. Linear Transformer and Function Analyser Seeing Maths http://seeingmath.concord.org/ Also with lines – a great site to investigate transformations. Suitable for 2AMAT §1.2.4 and §1.2.5 ►Try Free Secondary Math Interactives ►Scroll to ►Linear Transformer or Function Analyser Inverse functions Analyze maths http://www.analyzemath.com/ Examples and ideas are very good for examples of Inverse Functions. Some notational errors. Suitable for 3AMAS §4.4 ►Math and Precalculus ►Graphs of Functions, Equations and Algebra ►Scroll down to appropriate function (After rational functions) Graphs of functions Analyze maths http://www.analyzemath.com/Graph1/GraphFunctionsTutorials.html Identifying Graphs to match equations – quadratics, cubics, absolute values, square root and reciprocal Can be used when working with transformations in 3AMAS, 4.7 Investigating various transformations on graphs, suitable for 3AMAS §4.7 http://www.analyzemath.com/Graph1/Graph1.html Mathematics: Resource list—web based resources 7 Domain and range Analyze maths http://www.analyzemath.com/ Finding the domain and range for various functions. Suitable for 3AMAT §1.2.3 (Note – not all the functions displayed will be known to students working on 3AMAT) ►Math and Precalculus ►Graphs of Functions, Equations and Algebra ►Scroll down to ►Graph, Domain and Range of Common Functions Quadratic functions Analyze maths This site can be used to examine quadratic graphs and some of their features. Would only be suitable for more able students doing 2CMAT §1.2.4 and §1.2.5 http://www.analyzemath.com/ ►Math and Precalculus ►Analytic tutorials ►Scroll down to ►Quadratic functions ►Problem (1) Quadratic functions and use of formulae Balanced Assessment http://balancedassessment.concord.org A short task suitable for Stage 2 (2CMAT) The task is titled, ‘Para-Ball-A’. Suitable for 2CMAT §1.2.5 ►Our library of assessment tasks ►Para-Ball-A Quadratic transformer Seeing Maths http://seeingmath.concord.org A great site to view the graphs for quadratic equations and transformations that occur. See Quadratic Transformer (Graphs 2CMAT §1.2.2, §1.2.3, Transformations 3AMAT §1.2.2) ►Try Free Secondary Math Interactives ► Scroll to ► Quadratic Transformer Proofs—quadratic formula NRICH http://nrich.maths.org/ Given the steps in the proof of the quadratic equation, students need to place these steps in the correct order Suitable for 3AMAT §1.3.1 for extension ►Search ►Proof sorter Quadratic equation ►Scroll to ‘Proof sorter Quadratic equation’ 8 Mathematics: Resource list—web based resources Calculus Distance-time Graphs NRICH http://nrich.maths.org/ Introduction to questioning in Calculus This is a series of interactive pages on distance-time graphs Take your dog for a walk NRICH http://nrich.maths.org/ A clever interactive introduction to rate via distance-time graphs. The full-screen version would be useful if this is done as a whole class activity. Suitable for 3AMAT §2.1 Rate ►Search ►Take your dog for a walk ►Scroll to ‘Take your dog for a walk’ Steady free fall NRICH http://nrich.maths.org/public/viewer.php?obj_id=4851&part= In this activity, you drop a ball onto a ramp of your own design and see the graph of vertical distance versus time. This task also includes some challenges for students. Suitable for 3AMAT §2.1 Rate ► Search► Steady free fall ►Scroll to ‘Steady free fall’ Average velocity Virtual Institute of Applied Science http://www.vias.org/ Distance, time and velocity are an ideal means to understand the concept of derivatives. By reducing the time interval until it becomes zero, the average velocity approaches the instantaneous velocity, which is equal to the first derivative of the distance (with respect to time). This is available as a zip file that can be downloaded. Suitable for 3BMAT §1.3.1 ►Mathematics ►Scroll on left to ►Learning by simulation ►Mathematics ►Scroll to ‘Tangent and first derivative’ Area under curve Virtual Institute of Applied Science http://www.vias.org/ Choose a function and see the effect on the Riemann sum when you change the slice width. The file itself can be downloaded and installed on your computer or network. Suitable for 3CMAT §1.4.9 ►Mathematics ►Scroll on left to ►Learning by simulation ►Mathematics ►Scroll to ‘Riemann Sum’ Lou Talman http://clem.mscd.edu/~talmanl/HTML/FTOC.html This animation from Lou Talman is a dynamic representation of the area function we introduce in the standard proof of the Fundamental Theorem of Calculus. Suitable for 3CMAT §1.4.12 Mathematics: Resource list—web based resources 9 Average velocity and displacement University of Oregon Physics Department http://jersey.uoregon.edu// Drop the ball in a vacuum under the influence of gravity. Set the green line to start the timer and the red line to stop the timer. From the time taken, estimate the average velocity over this time interval. Suitable for 3BMAT §1.3.1 ►Mechanics ►1D Motion ►Free Fall Limits and Continuity Calculus Applets http://www.calculusapplets.com/ These sites explore when a function is continuous or discontinuous and help to develop the idea of limits. Suitable for 3BMAT §1.3 ►Continuity and Limits ►An Informal, Graphical View of Continuity ►Intermediate Value Theorem ►Informal View of Limits ►One- and Two-Sided Limits and When Limits Fail to Exist ►Limits at Infinity ►Table View of Limits ►Formal Definition of Limits ►Definition of Continuity Using Limits Differentiation Calculus Applets http://www.calculusapplets.com/ A series of applets exploring differentiation and which includes introductory activities. Suitable for 3BMAT§1.3, 3CMAT§1.4 and 3DMAT§1.2 ►Introduction to the Derivative ►Average Velocity and Speed ►Instantaneous Velocity ►Derivative at a Point ►Derivative Function ►A Tabular View of the Derivative ►Second Derivative ►A Tabular View of the Second Derivative ►Twice Differentiable Integrals Calculus Applets http://www.calculusapplets.com/ A series of applets exploring Integration – suitable for 3CMAT §1.4.9 to §1.4.15, 3DMAT §1.2 ►Introduction to the Definite Integral ►Approximating Distance Travelled With a Table ►Approximating Distance Travelled With a Graph ►Riemann Sums and The Definite Integral ►Fundamental Theorem of Calculus ►Average Value ►Properties of Definite Integrals 10 Mathematics: Resource list—web based resources Space and measurement Transformations National Library of Virtual Manipulatives http://nlvm.usu.edu/ With this virtual manipulative you can create objects with pattern block pieces and explore transformations of the plane Suitable for 2AMAT §2.2.1 ►Geometry 9-12 ►Transformations translations ►Transformations rotations ►Transformations reflection ►Transformations dilation ►Transformations compositions Platonic solids National Library of Virtual Manipulatives http://nlvm.usu.edu/ This virtual manipulative allows you to display, rotate, and resize Platonic solids. It also allows you to select vertices, edges, and faces, and observe that the number of vertices minus the number of edges plus the number of faces is always equal to 2 (Euler's formula). Suitable for 1CMAT §2.3.2, §2.3.3, §2.3.4 ►Geometry 9-12 ►Platonic solids ►Platonic solids duals ►Platonic solids slicing Proof with circles NRICH http://nrich.maths.org/ You are given a circle of radius 1 unit and two circles of radius a and b which touch each other and also touch the unit circle. Prove that you can always draw a 'flower' with six petals with the unit circle in the middle, and six circles around it having radii a, b, b/a, 1/a, 1/b and a/b such that each outer circle touches the unit circle and the two circles on either side of it. A possible investigation for 3AMAS §2.7 or 3DMAT §2.3.3 ►Search ►Flower (Stage 5) Gradient at a point Mathplotter http://mathplotter.lawrenceville.org/ Investigating slope of a curve at a point. This applet shows the tangent line at any point on a curve and the matching derivative graph. Suitable for 3BMAT §1.3.1 and 3DMAT§1.2.1 ►Graphs (Functions) ►Derivatives Mathematics: Resource list—web based resources 11 Part 2: Websites by units 1BMAT 3.3.5 App Mean and median National Council of Teachers of Mathematics http://standards.nctm.org/ This website looks at the effect on mean and median when changing a single score ►Examples ►Scroll to ►6.6 Comparing Properties of the Mean and the Median through the use of Technology 1CMAT 2.1.4 ASt Ratios Balanced Assessment http://balancedassessment.concord.org The task is titled, ‘Ostrich and Seahorse’. This could be used as an introduction to this topic. ►Our library of assessment tasks ►‘Ostrich and Seahorse’ 2.3.2 ; 2.3.3 ; 2.3.4 App Platonic solids National Library of Virtual Manipulatives http://nlvm.usu.edu/ This virtual manipulative allows you to display, rotate, and resize Platonic solids. It also allows you to select vertices, edges, and faces, and observe that the number of vertices minus the number of edges plus the number of faces is always equal to 2 (Euler's formula). ►Geometry 9-12 ►Platonic solids ►Platonic solids duals ►Platonic solids slicing 1EMAT 1.1.2 ASt Rounding and accuracy PUMAS http://pumas.jpl.nasa.gov/ This task based on the theme, ‘Think Locally, Act Globally’. It explores the idea impact on the environment one individual may make and then extends this idea, using estimation, to the impact on the Earth. This task could be modified for use in other stages. ►Examples ►Examples by title ►Scroll to ‘Learn to think Locally, globally’ 12 Mathematics: Resource list—web based resources 1.2.1 App Locating and plotting points WISC-Online http://www.wisc-online.com ►Learning objects ►ABB/ELL ►Math ►Scroll to ►Plotting Points on a Coordinate System 1.3.1 ASt One and two-step Rules University of Surrey http://www.mcs.surrey.ac.uk/ Examines applications of Fibonacci sequence in nature ►Search ►R. Knott ►Fibonacci numbers and the Golden Section ►fibnat.html 2AMAT 1.2.4 ASt Linear graphs and simple transformations are used in the short calculator investigation, ‘Twinkle, Twinkle’ Balanced Assessment http://balancedassessment.concord.org ►Our library of assessment tasks ►‘Twinkle, Twinkle’. 1.2.4 ; 1.2.5 App The Linear Transformer and Function Analyser can be used to investigate linear graphs Seeing Maths http://seeingmath.concord.org/ ►Free Secondary Maths interactives ►Transformation of Linear functions ►Function analyser 1.3.5 App Solving equations Shodor http://www.shodor.org/ A classic Connect Four game Before playing a chip, your group first has to solve an equation. The teacher can set the time limit and the level of difficulty of the equation before the game starts. Includes linear equations with one step, or two steps and variables on both sides of the equation; also has quadratic equations ►Activities and lessons ►Interactivate ►Activities ►Algebra ►Algebra Four 1.3.5 App A program that graphically demonstrates the balance method for solving equations Maths is fun http://www.mathsisfun.com/ ►Algebra ►the basics ►Balance when Adding and Subtracting Mathematics: Resource list—web based resources 13 National Library of Virtual Manipulatives http://nlvm.usu.edu/ Another virtual manipulative allows you to solve simple linear equations through the use of a balance beam. ►Algebra ►6-8 ►Algebra Balance Scales 2.2.1 App Transformations National Library of Virtual Manipulatives http://nlvm.usu.edu/ With these Virtual Manipulatives you can create objects with pattern block pieces and explore transformations of the plane ►Geometry ►9 – 12 ►Transformations of Reflection or Rotation or Translation 2BMAT 1.3.1; 1.3.2 App Solving Equations Shodor http://www.shodor.org/ A classic Connect Four game. Before playing a chip, your group first has to solve an equation. The teacher can set the time limit and the level of difficulty of the equation before the game starts. Includes linear equations with one step, or two steps and variables on both sides of the equation; also has quadratic equations. ►Activities and lessons ►Interactivate ►Activities ►Algebra ►Algebra Four 1.3.1; 1.3.2 App A program that graphically demonstrates the balance method for solving equations Maths is fun http://www.mathsisfun.com/ ►Algebra ►the basics ►Balance when Adding and Subtracting National Library of Virtual Manipulatives http://nlvm.usu.edu/ Another virtual manipulative allows you to solve simple linear equations through the use of a balance beam. ►Algebra ►6-8 ►Algebra Balance Scales 1.3.2 App Solving simple linear inequalities Waldomaths http://www.waldomaths.com/ ►Search ►Line ►Page 2 ►Straight line inequalities and inequations 14 Mathematics: Resource list—web based resources 3.4.1 Dat Time series data Peter Russell http://www.peterrussell.com/ The World Clock website has continuously updated information about the world such as the world population, number of births, number of deaths, number of cars and the number of barrels of oil produced. It is a wonderful discussion starter for a number of maths topics including time series data and rates of change (gradient) ►More ►World Clock 2CMAT 1.1.4 ASt Calculation errors Pumas http://pumas.jpl.nasa.gov/ This task could be used as an activity when examining estimation and calculation. It explores the calendar and the calculation and errors that have occurred to approximate the length of the Earth year. ►Examples ►Examples by title ►How many days are in the year? 1.2.2 App Features of quadratic graphs Seeing Maths http://seeingmath.concord.org ►Seeing Maths Secondary ►Interactive software and related activities ►Quadratic Transformer Interactive Maths http://www.intmath.com/ ►Algebra ►Quadratic Equations ►Scroll to ‘What is in this Chapter?’►Equations in Quadratic form 1.2.3 ; 1.2.4 App Features of quadratic graphs Seeing Maths http://seeingmath.concord.org/ ►Seeing Maths Secondary ►Interactive software and related activities ►Quadratic Transformer 1.2.4 Qu Features of graphs AnalyzeMaths http://www.analyzemath.com This site can be used when commencing work on graphs and the features of the graphs. For example, intercepts for a parabola. Suitable for 2CMAT §1.2.4. Not all of the functions on this site will be known to students at this level ►Math and Precalculus ►Graphs of functions equations and algebra ►Quadratic Functions (Standard or general form) Mathematics: Resource list—web based resources 15 1.2.4 ; 1.2.5 Qu Quadratic functions AnanyzeMaths http://www.analyzemath.com/quadraticg/ This site can be used to examine quadratic graphs and some of their features. Would be suitable for more able students ►Index ►Tutorials 1.2.5 ATe Quadratic functions and use of formulae –The task is titled, ‘Para-Ball-A’ Balanced assessment http://balancedassessment.concord.org ►Our library of assessment tasks ►‘Para-Ball-A’ 1.2.6 ASt Use Function notation Hippocampus http://www.hippocampus.org/? This site also examines the definition of a function. ►Algebra 1B ►Select-browse-topics-alphabetical ►‘Function Notation’ App 1.3.1 Factorising quadratic equations of the form ax2 + bx + c Waldomaths http://www.waldomaths.com/ ►Search ►Quadratic functions ►Quadratic and Cubic transformations 1.3.2 App Solving equations Shodor http://www.shodor.org/ A classic Connect Four game Before earning a red or black counter your group first has to solve an equation. The teacher can set the time limit and the level of difficulty of the equation befor e the game starts. Includes linear equations with one step, or two steps and variables on both sides of the equation; also has quadratic equations. ►Activities and lessons ►Interactivate ►Activities ►Algebra Four ►Algebra Four App 1.3.2 Solving quadratic equations graphically Waldomaths http://www.waldomaths.com/ In this Java aplet the student is able to manipulate the parameters a, b and c in the general form of the quadratic function: y=ax2+bx+c and see how the graph of the parabola is transformed ►Search ►Quadratic functions ►Graphs of Linear, Quadratic and Cubic Polynomial 16 Mathematics: Resource list—web based resources App 1.4.1 Calculate compound interest recursively with technology Illuminations http://illuminations.nctm.org/ This website considers investments over a period of time, based on the possibility of regular repayments ►Activities ►9-12 ►Scroll to ‘Compound interest simulator’ 2DMAT 1.2.4 App The website below examines reciprocal functions Waldomaths http://www.waldomaths.com/ This helps to assist students to distinguish between the different types of graphs and equations in §1.2.4 ►Search ►Reciprocal ►Transformation of reciprocal functions App 1.2.6 Graphs of cubic polynomials of the form y = ax3 + bx2 + cx + d Waldomaths http://www.waldomaths.com/Cubic1NL.jsp ►Search ►Cubic functions ►Linear, Quadratic and Cubic Polynomial Graphs - Waldomaths 3AMAT 1.2.1 App Forming a rule to solve the Towers of Hanoi National Library of Virtual Manipulatives http://nlvm.usu.edu/ The Towers of Hanoi puzzle is an engaging and challenging problem for middle school students and an application of exponential functions. It also is the setting for a proof by mathematical induction that the minimum number of moves M to move n disks from one disk to another is given by M = 2^n - 1 ►Algebra ►9 -12 ►Scroll to Towers of Hanoi 1.2.2 App Transformations using Quadratic Transformer Seeing maths http://seeingmath.concord.org/ ►Free Secondary Maths Interactives ►Scroll to ►Quadratic Transformer Mathematics: Resource list—web based resources 17 1.2.3 Qu Domain and range Analyzemaths http://www.analyzemath.com/ Finding the domain and range for various functions Select Domain and Range (Note – not all the functions displayed will be known to students working on 3AMAT) ►Analytical tutorials ►Domain and Range of basic functions.html Hippocampus http://www.hippocampus.org/ ►Algebra 1B ►Select-browse-topics-alphabetical ►‘Domain and Range’ 1.2.6 Qu Use function notation http://www.hippocampus.org/ This site also examines the definition of a function ►Algebra 1B ►Select-browse-topics-alphabetical ►‘Function Notation’ 1.3.1 App Proofs – quadratic formula NRICH http://nrich.maths.org/ Given the steps in the proof of the quadratic equation, students need to place these steps in the correct order ►Stage 4 & 5 ►Search ►Proof sorter – Quadratic Equation 1.3.3 App Solving simultaneous quadratic equations Waldomaths http://www.waldomaths.com/ ►Search ►Equations solved graphically ►Equations solved graphically - Waldomaths 2.1 App Rate NRICH http://nrich.maths.org/ Walking the Dog - An interactive introduction to rate via distance-time graphs The full-screen version would be useful if this is done as a whole class activity ►Stage 2►Search ►Take your dog for a walk 2.1 App Steady Free Fall NRICH http://nrich.maths.org/ In this activity, you drop a ball onto a ramp of your own design and see the graph of vertical distance versus time. This task also includes some challenges for students. ►Stage 4 & 5 ►Search ►Steady Free fall 18 Mathematics: Resource list—web based resources 3BMAT 1.3.1 ASt Historical introduction to Calculus Interactive maths http://www.intmath.com/ ►Differentiation ►Introduction to calculus 1.3.1 App Average velocity Virtual Institute of Applied Science http://www.vias.org/ Distance, time and velocity are an ideal means to understand the concept of derivatives. By reducing the time interval until it becomes zero, the average velocity approaches the instantaneous velocity, which is equal to the first derivative of the distance (with respect to time). This is available as a zip file that can be downloaded. ►Elementary calculus ►Learning by simulation ►Mathematics ► #1009 Tangent and First Derivative 1.3.1 App Average velocity and displacement University of Oregon (Physics) http://jersey.uoregon.edu/ Drop the ball in a vacuum under the influence of gravity Set the green line to start the timer and the red line to stop the timer From the time taken, estimate the average velocity over this time interval ►Select Mechanics ►1D Motion – Free Fall ►Choose this applet 1.3.1 App Investigating slope of a curve at a point Mathplotter http://mathplotter.lawrenceville.org/ This website shows the tangent line at any point on a curve and the matching derivative graph ►Graph (Functions) ►The secant line 1.3.4 App Examine tangents to the curve and their matching graphsWaldomaths http://www.waldomaths.com/ ►Search ►Gradient of tangents ►Tangents and Normals 1.3.5 App Examine the derivative of functions and their matching graphsWaldomaths http://www.waldomaths.com/ ►Search ►Differentiating polynomials ►Calculus - Differentiating Polynomial Expressions Mathematics: Resource list—web based resources 19 3CMAT 1.2.3 App Examine exponential graphs and their matching derivative graphs Waldomaths http://www.waldomaths.com/ ►Search ►Differentiating Exponentials 1 ►Differentiating Exponentials 1 - Waldo 1.2.3 App Examine the graph of y = ex Waldomaths http://www.waldomaths.com/ ►Search ►Exponential graphs and functions ►Exponential Graphs – Waldomaths 1.2.4 Qu The following sites are suitable for examining e Analyzemaths http://www.analyzemath.com/ ►Analytical Tutorials ►Scroll to ►Exponential and Logarithmic functions and equations 1.2.4 App Examine exponential graphs and their matching derivative graphs Waldomaths http://www.waldomaths.com/ ►Search ►Differentiating Exponentials 2 ►Differentiating Exponentials 2 - Waldo 1.4.2 Qu This website summarises the product and quotient rule Interactive maths http://www.intmath.com/ ►Differentiation ►Differentiation ►Differentiation of products and Quotients 1.4.5 App Use a graph to examine the second derivative of a function Waldomaths http://www.waldomaths.com/ ►Search ►Second derivative ►Second Derivatives, the gradient of the gradient - Waldomaths 1.4.6 Qu Applications of differentiation Interactive Maths http://www.intmath.com/ The website below shows some applications of differentiation. This not directly related to the 1.4.6 (solving optimisation problems), but may be of interest to some students ►Differentiation ►Applications of Differentiation ►Introduction to Applications of Differentiation 20 Mathematics: Resource list—web based resources 1.4.9 App Area under curve Virtual Institute of Applied Science http://www.vias.org/ Choose a function and see the effect on the Riemann sum when you change the slice width. The file itself can be downloaded and installed on your computer or network ►Mathematics ►Elementary calculus ►Learning by simulation ►Mathematics ►#1007 Riemann Sum 1.4.9 App Use the integral to establish the area under a curve Waldomaths http://www.waldomaths.com/ ►Search ►Integrating polynomials ►Integrating Polynomials – Waldomaths 1.4.11 Qu Indefinite integral Interactive maths http://www.intmath.com/ This website examines the antiderivative and the indefinite integral ►Integration ►Antiderivative and the indefinite integral ►Scroll to Antiderivative and the indefinite integral 1.4.12 Qu Area under a curve Interactive maths http://www.intmath.com/ This website leads to finding the area under a curve. It starts with finding the area of rectangles under a curve ►Integration ►Area under the curve ►Scroll to Area under the curve 3DMAT 1.2.3 App Fundamental Theorem of Calculus Calculus Applets http://www.calculusapplets.com/ This website can examine the area under the curve of any given function ►Scroll to ►6 Introduction to the definite integral ►First fundamental theorem Mathematics: Resource list—web based resources 21 2.3.3 App Proof with circles NRICH http://nrich.maths.org/ You are given a circle of radius 1 unit and two circles of radius a and b which touch each other and also touch the unit circle. Prove that you can always draw a 'flower' with six petals with the unit circle in the middle, and six circles around it having radii a, b, b/a, 1/a, 1/b and a/b such that each outer circle touches the unit circle and the two circles on either side of it. A possible investigation ►Stage 4 & 5 ►Search ►Flower ►Flower Stage 5 22 Mathematics: Resource list—web based resources