en https://mathslinks.net <![CDATA[the MathsLinks Network]]> https://static.feedpress.com/logo/mathslinks.png the MathsLinks Network https://mathslinks.net Links and resources for maths teachers. en Copyright 2012 2012-07-24T10:32:00+00:00 How to Convert Units https://feedpress.me/link/8812/16337788/how-to-convert-units https://mathslinks.net/links/how-to-convert-units#When:16:28:00Z We discover the key takeaways from unit conversion with our interactive experience. Activity, Hands-on, Interactive, Patterns and Algebra, 2023-09-06T16:28:00+00:00 Screenshot of

We discover the key takeaways from unit conversion with our interactive experience.


On MathsLinks: https://mathslinks.net/links/how-to-convert-units
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Percentages Are Reversible https://feedpress.me/link/8812/16337789/percentages-are-reversible https://mathslinks.net/links/percentages-are-reversible#When:16:17:00Z Percentages are reversible. We learn how to take advantage of this trick, and why it works. Activity, Hands-on, Demonstration, Number, Percentages, 2023-09-06T16:17:00+00:00 Screenshot of

Percentages are reversible. We learn how to take advantage of this trick, and why it works.


On MathsLinks: https://mathslinks.net/links/percentages-are-reversible
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Transforming Quadratic Function Graphs: Discovery Lesson https://feedpress.me/link/8812/16332272/transforming-quadratic-function-graphs-discovery-lesson https://mathslinks.net/links/transforming-quadratic-function-graphs-discovery-lesson#When:07:40:00Z With three interactive exploration activities and two assessments to investigate transforming quadratic functions. GeoGebra, Interactive, Publisher, Tim Brzezinski, Patterns and Algebra, Non-Linear Relationships, Quadratics, Number and Algebra, Linear and nonlinear relationships, ACMNA267 Year 10A Describe, interpret and sketch parabolas, hyperbolas, circles and exponential func, Number and Algebra, MA5.2-10NA Non-Linear Relationships, MA5.3-9NA Non-Linear Relationships, Unit 1 Topic 1 Functions and graphs, Functions, ACMMM025 examine translations and the graphs of y=f(x)+ay=fx+a and y=f(x+b)y=f(x+b) , ACMMM026 examine dilations and the graphs of y=cf(x)y=cfx and y=f(kx)y=fkx , Functions, MA-F1 Working with Functions, F1.3 Linear, quadratic and cubic functions, MA-F2 Graphing Techniques, Number and algebra, Non-linear relationships, MA5-NLI-C-01 Non-linear relationships A, MA5-NLI-C-02 Non-linear relationships B, MA5-NLI-P-01 Non-linear relationships C (Path), Year 9, Algebra Year 9, AC9M9A06 experiment with the effects of the variation of parameters on graphs of related functions,, 2023-09-05T07:40:00+00:00 Screenshot of

With three interactive exploration activities and two assessments to investigate transforming quadratic functions.


On MathsLinks: https://mathslinks.net/links/transforming-quadratic-function-graphs-discovery-lesson
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Curved Surface Area of Cones https://feedpress.me/link/8812/16290915/curved-surface-area-of-cones https://mathslinks.net/links/curved-surface-area-of-cones#When:06:04:00Z Investigate the curved surface area of a cone. GeoGebra, Interactive, Publisher, Anthony Or, Measurement, Surface Area, Space and Geometry, 3D Shapes, Measurement and Geometry, Using units of measurement, ACMMG271 Year 10A Solve problems involving surface area and volume of right pyramids, right cones, s, Measurement and Geometry, MA5.3-13MG Area and Surface Area, Unit 1 Topic 3 Shape and measurement, Mensuration, ACMGM020 calculate the surface areas of standard three-dimensional objects such as spheres, re…, Measurement and space, Area and surface area, MA5-ARE-C-01 Area and surface area A, 2023-08-10T06:04:00+00:00 Screenshot of

Investigate the curved surface area of a cone.


On MathsLinks: https://mathslinks.net/links/curved-surface-area-of-cones
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Net of a cone https://feedpress.me/link/8812/16290916/net-of-a-cone https://mathslinks.net/links/net-of-a-cone#When:05:54:00Z An interactive to investigate the net of a cone. GeoGebra, Interactive, Measurement, Surface Area, Space and Geometry, 3D Shapes, Measurement and Geometry, Using units of measurement, ACMMG271 Year 10A Solve problems involving surface area and volume of right pyramids, right cones, s, Measurement and Geometry, MA5.3-13MG Area and Surface Area, Unit 1 Topic 3 Shape and measurement, Mensuration, ACMGM020 calculate the surface areas of standard three-dimensional objects such as spheres, re…, Measurement and space, Area and surface area, MA5-ARE-C-01 Area and surface area A, 2023-08-10T05:54:00+00:00 Screenshot of

An interactive to investigate the net of a cone.


On MathsLinks: https://mathslinks.net/links/net-of-a-cone
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> The History of Negative Numbers https://feedpress.me/link/8812/16284029/the-history-of-negative-numbers https://mathslinks.net/links/the-history-of-negative-numbers#When:02:01:00Z The story of when and why negative numbers came to be used (usually about money of course!) and some of the issues they caused! Activity, Enrichment, Cross-KLA, History, General, Numeracy, Number, History of Number, 2023-07-25T02:01:00+00:00 Screenshot of

The story of when and why negative numbers came to be used (usually about money of course!) and some of the issues they caused!


On MathsLinks: https://mathslinks.net/links/the-history-of-negative-numbers
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> A Secret Weapon for Predicting Outcomes: The Binomial Distribution https://feedpress.me/link/8812/16207890/a-secret-weapon-for-predicting-outcomes-the-binomial-distribution https://mathslinks.net/links/a-secret-weapon-for-predicting-outcomes-the-binomial-distribution#When:10:05:00Z A video about using the binomial distribution to make a prediction about the probability of making 7 out of 10 basketball shots given the probability of making each individual shot is 60%. CoversFactorialsDependent/Independent eventsPascal's triangleBinomial coefficientsSimulation Video, YouTube, Advanced, Combinations and Permutations, The Binomial Theorem, Combinatorics, ME-A1 Working with Combinatorics, ME-A1.1 Permutations and combinations, ME-A1.2 The binomial expansion and Pascal’s triangle, 2023-06-21T10:05:00+00:00 Screenshot of

A video about using the binomial distribution to make a prediction about the probability of making 7 out of 10 basketball shots given the probability of making each individual shot is 60%. Covers

  • Factorials
  • Dependent/Independent events
  • Pascal's triangle
  • Binomial coefficients
  • Simulation

On MathsLinks: https://mathslinks.net/links/a-secret-weapon-for-predicting-outcomes-the-binomial-distribution
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> A Penny Doubled Every 30 Days or One Million Dollars https://feedpress.me/link/8812/16049513/a-penny-doubled-every-30-days-or-one-million-dollars https://mathslinks.net/links/a-penny-doubled-every-30-days-or-one-million-dollars#When:20:26:00Z We explore the concept of a penny doubled or a million dollars with our interactive experience and we discover the importance of compound interest. Activity, Hands-on, Interactive, Publisher, MoneySmart, Number, Consumer Arithmetic, Number and Algebra, Money and financial mathematics, ACMNA229 Year 10 Connect the compound interest formula to repeated applications of simple interest u, Number and Algebra, MA5.2-4NA Financial Mathematics, Financial Mathematics, MS-F2 Investment, MS-F4 Investments and Loans, MS-F4.1 Investments, Number and algebra, Financial mathematics, MA5-FIN-C-02 Financial mathematics B, 2023-03-27T20:26:00+00:00 Screenshot of

We explore the concept of a penny doubled or a million dollars with our interactive experience and we discover the importance of compound interest.


On MathsLinks: https://mathslinks.net/links/a-penny-doubled-every-30-days-or-one-million-dollars
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Interactive Compound Interest https://feedpress.me/link/8812/16049514/interactive-compound-interest https://mathslinks.net/links/interactive-compound-interest#When:16:03:00Z The power of compound interest can drown you in exploding debt or raise you to incredible wealth. See the vital role compound interest plays in debt and in wealth building. Activity, Hands-on, Interactive, Publisher, MoneySmart, Advanced, Exponential Functions, Data, Line Graphs, Number and Algebra, Money and financial mathematics, ACMNA229 Year 10 Connect the compound interest formula to repeated applications of simple interest u, Number and Algebra, MA5.2-4NA Financial Mathematics, Financial Mathematics, MS-F2 Investment, MS-F4 Investments and Loans, MS-F4.1 Investments, MS-F4.2 Depreciation and loans, Financial Mathematics, MA-M1 Modelling Financial Situations, M1.1 Modelling investments and loans, Number and algebra, Financial mathematics, MA5-FIN-C-02 Financial mathematics B, 2023-03-27T16:03:00+00:00 Screenshot of

The power of compound interest can drown you in exploding debt or raise you to incredible wealth. See the vital role compound interest plays in debt and in wealth building.


On MathsLinks: https://mathslinks.net/links/interactive-compound-interest
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Defining the coterminal angle https://feedpress.me/link/8812/16000653/defining-the-coterminal-angle https://mathslinks.net/links/defining-the-coterminal-angle#When:23:16:00Z Showing a general angle on the coordinate plane. GeoGebra, Interactive, Measurement, Trigonometry, Measurement and Geometry, Pythagoras and trigonometry, ACMMG274 Year 10A Use the unit circle to define trigonometric functions, and graph them with and wit, Unit 1 Topic 2 Trigonometric functions, Cosine and sine rules, ACMMM029 understand the unit circle definition of cosθ, sinθcos⁡θ, sin⁡θ and tanθtan⁡θ and per…, Trigonometric functions, ACMMM034 understand the unit circle definition of cosθ, sinθcos⁡θ, sin⁡θ and tanθtan⁡θ and per…, Trigonometric Functions, MA-T1 Trigonometry and Measure of Angles, 2023-03-01T23:16:00+00:00 Screenshot of

Showing a general angle on the coordinate plane.


On MathsLinks: https://mathslinks.net/links/defining-the-coterminal-angle
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Addition and Subtraction Game https://feedpress.me/link/8812/16000654/addition-and-subtraction-game https://mathslinks.net/links/addition-and-subtraction-game#When:17:36:00Z Simple game that asks 10 timed multiple choice questions. Game, Publisher, Math The Beautiful, General, Fun, Timer, Number, Operations, Addition, 2023-02-28T17:36:00+00:00 Screenshot of

Simple game that asks 10 timed multiple choice questions.


On MathsLinks: https://mathslinks.net/links/addition-and-subtraction-game
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> The Light Switch Problem https://feedpress.me/link/8812/15990671/the-light-switch-problem https://mathslinks.net/links/the-light-switch-problem#When:07:29:00Z Featuring Ben Sparks, looking at the light switch problem, also known as the locker problem. Activity, Problem, Publisher, Numberphile, Ben Sparks, General, Problem Solving, 2023-02-24T07:29:00+00:00 Screenshot of

Featuring Ben Sparks, looking at the light switch problem, also known as the locker problem.


On MathsLinks: https://mathslinks.net/links/the-light-switch-problem
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Geometric view of the functions arcsin and arccos https://feedpress.me/link/8812/15988856/geometric-view-of-the-functions-arcsin-and-arccos https://mathslinks.net/links/geometric-view-of-the-functions-arcsin-and-arccos#When:08:24:00Z An interactive that shows the geometric meaning of the inverse trig functions arcsin and arccos. GeoGebra, Interactive, Publisher, Daniel Mentrard, Measurement, Trigonometry, Unit 4 Topic 1 Integration and applications of integration, Integration techniques:, ACMSM119 find and use the inverse trigonometric functions: arcsine, arccosine and arctangent, Trigonometric Functions, ME-T1 Inverse Trigonometric Functions, 2023-02-23T08:24:00+00:00 Screenshot of

An interactive that shows the geometric meaning of the inverse trig functions arcsin and arccos.


On MathsLinks: https://mathslinks.net/links/geometric-view-of-the-functions-arcsin-and-arccos
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Square roots and lengths in the 3Dbox https://feedpress.me/link/8812/15988857/square-roots-and-lengths-in-the-3dbox https://mathslinks.net/links/square-roots-and-lengths-in-the-3dbox#When:08:14:00Z An idea for a problem solving activity using Pythagoras' theorem in a 3D box. GeoGebra, Interactive, Publisher, Daniel Mentrard, Measurement, Pythagoras, Measurement and Geometry, Pythagoras and trigonometry, ACMMG276 Year 10A Apply Pythagoras’ theorem and trigonometry to solving three-dimensional prob, Measurement and Geometry, MA5.3-15MG Right-Angled Triangles (Trigonometry), 2023-02-23T08:14:00+00:00 Screenshot of

An idea for a problem solving activity using Pythagoras' theorem in a 3D box.


On MathsLinks: https://mathslinks.net/links/square-roots-and-lengths-in-the-3dbox
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Interactive Unit Circle - Desmos https://feedpress.me/link/8812/15988792/interactive-unit-circle-desmos https://mathslinks.net/links/interactive-unit-circle-desmos#When:07:52:00Z The Unit Circle is typically a tool students learn to use when they begin memorizing certain trigonometric ratios and special right triangles. Sometimes teachers will give a mnemonic device for when sine or some other function is positive, when they're negative, etc. It can also be helpful for remembering certain equivalencies between radian and degree measures of an angle. But the unit circle is too meaningful to use only as a simple memory tool. This Desmos implementation is intended to highlight certain relationships on the circle, so that students can more meaningfully discern what's happening and why. Interactive, Desmos, Measurement, Trigonometry, Measurement and Geometry, Pythagoras and trigonometry, ACMMG274 Year 10A Use the unit circle to define trigonometric functions, and graph them with and wit, Measurement and Geometry, MA5.3-15MG Right-Angled Triangles (Trigonometry), Unit 1 Topic 2 Trigonometric functions, Cosine and sine rules, ACMMM029 understand the unit circle definition of cosθ, sinθcos⁡θ, sin⁡θ and tanθtan⁡θ and per…, Trigonometric functions, ACMMM034 understand the unit circle definition of cosθ, sinθcos⁡θ, sin⁡θ and tanθtan⁡θ and per…, Trigonometric Functions, MA-T1 Trigonometry and Measure of Angles, T1.2 Radians, Measurement and space, Pythagoras and trigonometry, MA5-TRG-P-02 Trigonometry D (Path), 2023-02-23T07:52:00+00:00 Screenshot of

The Unit Circle is typically a tool students learn to use when they begin memorizing certain trigonometric ratios and special right triangles. Sometimes teachers will give a mnemonic device for when sine or some other function is positive, when they're negative, etc. It can also be helpful for remembering certain equivalencies between radian and degree measures of an angle. But the unit circle is too meaningful to use only as a simple memory tool. This Desmos implementation is intended to highlight certain relationships on the circle, so that students can more meaningfully discern what's happening and why.


On MathsLinks: https://mathslinks.net/links/interactive-unit-circle-desmos
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Advanced Boxplot Maker https://feedpress.me/link/8812/15974613/advanced-boxplot-maker https://mathslinks.net/links/advanced-boxplot-maker#When:23:35:00Z This tool generates box-and-whisker plots. Parallel boxplots can be provided and outliers can be shown/hidden. Tool, Data, Box and Whisker Plot, Statistics and Probability, Data representation and interpretation, ACMSP249 Year 10 Construct and interpret box plots and use them to compare data sets, ACMSP250 Year 10 Compare shapes of box plots to corresponding histograms and dot plots, Statistics and Probability, MA5.2-15SP Single Variable Data Analysis, Statistical Analysis, MS-S1 Data Analysis, MS-S1.2 Summary statistics, Unit 2 Topic 1 Representing and comparing data, Comparing data sets, ACMEM059 construct box plots using a five number summary, Unit 2 Topic 1 Univariate data analysis and the statistical investigation process, Comparing data for a numerical variable across two or more groups, ACMGM031 construct and use parallel box plots (including the use of the ‘Q1 – 1.5 x IQR’ and ‘…, Statistics and probability, Data classification, visualisation and analysis, MA5-DAT-C-01 Data analysis A, Year 10, Statistics Year 10, AC9M10ST02 compare data distributions for continuous numerical variables using appropriate data disp, 2023-02-13T23:35:00+00:00 Screenshot of

This tool generates box-and-whisker plots. Parallel boxplots can be provided and outliers can be shown/hidden.


On MathsLinks: https://mathslinks.net/links/advanced-boxplot-maker
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Virtual Math Manipulatives https://feedpress.me/link/8812/15974829/virtual-math-manipulatives https://mathslinks.net/links/virtual-math-manipulatives#When:15:10:00Z A collection of virtual math manipulatives. Includes algebra tiles, fraction tiles, integer chips. Assessment, Manipulative, Virtual Manipulative, 2023-02-12T15:10:00+00:00 Screenshot of

A collection of virtual math manipulatives. Includes algebra tiles, fraction tiles, integer chips.


On MathsLinks: https://mathslinks.net/links/virtual-math-manipulatives
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Interactive Greatest Common Factor (or Divisor) https://feedpress.me/link/8812/15969944/interactive-greatest-common-factor-or-divisor https://mathslinks.net/links/interactive-greatest-common-factor-or-divisor#When:23:27:00Z An interactive tool for learning about the Greatest Common Factor (or divisor) of an integer. The tool shows two methods, listing the factors and using an algorithm (including code). Application, Interactive, Publisher, Math The Beautiful, Number, Factors, Multiples, Number Line, 2023-02-10T23:27:00+00:00 Screenshot of

An interactive tool for learning about the Greatest Common Factor (or divisor) of an integer. The tool shows two methods, listing the factors and using an algorithm (including code).


On MathsLinks: https://mathslinks.net/links/interactive-greatest-common-factor-or-divisor
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> Pythagorean identity cos^2x + sin^2x = 1 visualisation https://feedpress.me/link/8812/15966672/pythagorean-identity-cos2x-sin2x-1-visualisation https://mathslinks.net/links/pythagorean-identity-cos2x-sin2x-1-visualisation#When:10:47:00Z A visualisation of cos2x + sin2x = 1. GeoGebra, Publisher, Daniel Mentrard, Visualization, Measurement, Trigonometry, Unit 2 Topic 1 Trigonometry, Trigonometric identities:, ACMSM046 prove and apply the Pythagorean identities, Trigonometric Functions, MA-T2 Trigonometric Functions and Identities, 2023-02-09T10:47:00+00:00 Screenshot of

A visualisation of cos2x + sin2x = 1.


On MathsLinks: https://mathslinks.net/links/pythagorean-identity-cos2x-sin2x-1-visualisation
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]> A Hairy Problem (and a Feathery Solution) https://feedpress.me/link/8812/15934778/a-hairy-problem-and-a-feathery-solution https://mathslinks.net/links/a-hairy-problem-and-a-feathery-solution#When:10:06:00Z Starting with the question:What are the chances that there are two people in London with the same number of hairs on their head?Includes The Pigeon Hole Principle. Publisher, Numberphile, Ben Sparks, Video, YouTube, Number, Probability, Combinatorics, ME-A1 Working with Combinatorics, ME-A1.1 Permutations and combinations, 2023-01-25T10:06:00+00:00 Screenshot of

Starting with the question:

What are the chances that there are two people in London with the same number of hairs on their head?

Includes The Pigeon Hole Principle.


On MathsLinks: https://mathslinks.net/links/a-hairy-problem-and-a-feathery-solution
Follow MathsLinks on Twitter:@mathslinks or Facebook ]]>