Section: Algebra | Assumed knowledge (Mathematics Skills) | OpenDesk

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  • Algebra

    Topic

    This section can support you to develop your algebra skills.

    Videos

    Introduction to Algebra: relationships in words  (printable handout)

    This 12 minute video covers

    • translating from words to symbols (relationships)
    • variables and expressions
    • collecting like terms.

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    Substituting and rearranging equations (printable handout)

    This 12 minute video covers

    • Substituting values into equations
    • rearranging equations.

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    Expanding Brackets (printable handout)

    This 19 minute video covers

    • Distributive Law
    • Expanding brackets (single, double and triple)
    • Common expansions to get to know.

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    Algebra: Factorising quadratic expressions (printable handout)

    This 13 minute video covers:

    • simple factorisation (adding one set of brackets)
    • factorising quadratic expressions.

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    Solving quadratic equations using factorisation (printable handout)

    This 7 minute video covers

    • quadratic equations
    • solving quadratic equations using factorisation.

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    Solving quadratic equations using the quadratic formula (printable handout)

    This 12 minute video covers:

    • quadratic equations
    • the quadratic equation
    • using the quadratic equation
    • finding the number of solutions a quadratic equation will have.

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    Solving simultaneous equations (using the substitution method) (printable handout)

    This 15 minute video covers the use of substitution method to solve simultaneous equations (two unknown variables and two equations).

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    Solving simultaneous equations (using the elimination method) (printable handout)

    This 16 minute video covers the use of the elimination method to solve simultaneous equations (two unknown variables and two equations).

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    Inequalities (printable handout)

    This 12 minute video covers graphing inequalities and rearranging inequalities.

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    Algebraic fractions (printable handout)

    This 5 minute video  steps though cancelling when there is algebraic terms in both the numerator and the denominator.

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