7 results authored by Lucy Hadfield - search across all users.
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Exam (1 question) in Lucy's workspace
Rearrange equations to make $x$ the subject.
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Exam (2 questions) in Lucy's workspace
Two questions on solving systems of simultaneous equations.
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Question in Lucy's workspace
Solve for $x$ and $y$: \[ \begin{eqnarray} a_1x+b_1y&=&c_1\\ a_2x+b_2y&=&c_2 \end{eqnarray} \]
The included video describes a more direct method of solving when, for example, one of the equations gives a variable directly in terms of the other variable.
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Question in Lucy's workspace
Factorising basic quadratics.
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Question in Lucy's workspace
This is a set of questions designed to help you praction adding, subtracting, multiplying and dividing fractions.
All of these can be done without a calculator
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Question in Lucy's workspace
Adding and Subtracting Fractions
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Question in Lucy's workspace
Adding and Subtracting Fractions