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        Listed under:  Mathematics  >  Algebra  >  Mathematical expressions
        Video

        How does income tax work?

        • TLF-IDM025251

        Gen Fricker makes income tax interesting! Learn about income tax - what it is, how it works and when you have to pay it. Easy-peasy! Then test yourself with ASIC Moneysmart's "Things to think about" classroom exercises.

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        Text

        Mixing Lemonade

        • TLF-IDM020742

        This resource is a web page containing an interactive task to explore ratios and proportions. Compare different mixtures of lemonade and develop a strategy for deciding which is stronger each time. The task requires students to apply their understanding of ratio and proportions. A 'Getting started' page, 'Solution' and ...

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        Video

        BTN: What is the GST?

        • TLF-IDM021150

        The Goods and Services Tax (GST) is a tax placed on things people buy with money or things people do for money. Can you name some goods and services that have GST? What about some goods and services that don't have GST? Find out when and why the GST was first introduced.

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        Video

        My Five Cents: Why investing can be risky

        • TLF-IDM025254

        Planning to get rich quick by investing one day? Before you jump in, let Gen Fricker explain some of the risks involved with different types of investments. Then test yourself with ASIC MoneySmart's "Things to think about" classroom exercises.  

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        Video

        Patterns, primes and Pascal's Triangle

        • TLF-IDM017686

        Are you intrigued by patterns? Check out Vi Hart as she explains how to visualise patterns in prime numbers, using Ulam's Spiral. Watch as Vi creates patterns, using Pascal's Triangle to explore relationships in number. See what happens when she circles the odd numbers. What rule does she use to create the final pattern?

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        Video

        Catalyst: Take the Phi Golden challenge

        • TLF-IDM015446

        The golden ratio, Phi: fact or fallacy? What about the Fibonacci sequence? We are told this ratio and its cousin Fibonacci occur everywhere in nature. Let's see which of these claims stacks up when put to the test.

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        Video

        My Five Cents: What is opportunity cost?

        • TLF-IDM025253

        What is the true cost of buying something? Gen Fricker explains that it's more than just money. Learn about opportunity cost - what it is, why it's a helpful tool and when to use it. Simple! Then test yourself with ASIC MoneySmart's "Things to think about" classroom exercises.  

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        Video

        Numbers Count: What are factors?

        • TLF-IDM020175

        What are factors? Watch as the jelly babies in this clip show you! What are the factors of 12? How many factors does the number 11 have? Try explaining to a friend what a prime number is.

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        Online

        reSolve: Paint with Numbers

        • TLF-IDM025818

        This sequence of three lessons explores ratios through the context of mixing paint. Students investigate how ratios express a multiplicative relationship between two measures and under what conditions the proportions remain constant when the numerical values of both quantities change. The lessons are outlined in detail ...

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        Text

        Imperial pie

        • TLF-IDM008994

        This activity involves making a cake using a recipe in which the quantities of the ingredients required are measured using a variety of imperial units. To complete the recipe, students need to convert the imperial units to metric units in order to be able to use their metric measuring instruments. The activity serves to ...

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        Online

        TIMES Module 17: Number and Algebra: the unitary method - teacher guide

        • TLF-IDM008820

        This is an 18-page guide for teachers. This module introduces the idea of ratios and rates.

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        Online

        Introduction to algebra

        • TLF-IDM013740

        This is a website designed for both teachers and students that addresses the introduction of algebra. It is particularly relevant for introducing the idea of the use of a variable as a way of representing numbers. There are pages for both teachers and students. The student pages contain interactive questions for students ...

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        Interactive

        Brackets

        • TLF-IDM016511

        A short, animated tutorial about expanding brackets, followed by an interactive quiz.

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        Interactive

        Terms

        • TLF-IDM016743

        An animated tutorial about terms and 'like' terms, followed by an interactive quiz.

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        Interactive

        Expressions

        • TLF-IDM016208

        An animated tutorial with a focus on collecting 'like' terms to simplify expressions. An interactive quiz is included.

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        Text

        Addition and subtraction of fractions

        • TLF-IDM012844

        This is a website designed for both teachers and students that addresses addition and subtraction of fractions. There are pages for both teachers and students. The student pages contain interactive questions for students to check their progress in the topics.

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        Interactive

        Renovate, Calculate!

        • TLF-IDM016724

        A student resource that explores the use of mathematics in the trades. Highly interactive investigations into ratio, areas of special quadrilaterals and right-angled trigonometry.

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        Video

        Are plants mathematicians?

        • TLF-IDM017685

        Ever noticed that plants are examples of Fibonacci numbers? Watch Vi Hart draw examples of flower petals and leaf growth that follow this pattern. See how plants seem to use Phi (.), the golden ratio. Find out how to make your own 'angle-a-tron' to create interesting petal designs. This is the second in a series of two.

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        Interactive

        Arithmetic four

        • TLF-IDM012008

        This is an interactive game for two students in which they solve arithmetic problems, similar to 'Connect four'. The players can choose to work with whole number and integer addition, subtraction, multiplication and division. The length of time each player will have and the level of difficulty of the problems can also be ...

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        Online

        TIMES Module 20: Number and Algebra: percentages - teacher guide

        • TLF-IDM008813

        This is a 15-page guide for teachers. This module introduces percentages and their many uses in science, commerce and measurement.

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