434 results authored by Ben Brawn - search across all users.
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Randomly chooses one of the following
a) Divide numerical fractions. Simplifying is discussed in the advice but not required to get full marks.
b) Divide a negative whole number by a fraction. Simplifying is discussed in the advice but not required to get full marks.
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Randomly chooses one of the following
a) Multiply numerical fractions. Simplifying is discussed in the advice but not required to get full marks.
b) Multiply a negative fraction by a whole number. Simplifying is discussed in the advice but not required to get full marks.
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Fractions already have a common denominator. Addition and subtraction 50:50 split, when subtracting, the answer is negative half the time. Students shouldn't have to worry about reducing fractions by design.
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Collecting like terms, expanding a bracket (distributive law), substitution of values, finding factors, simplifying algebraic fractions.
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Financial maths. Determine the present value for a bond to obtain a certain yield. This involves annuities and compound interest.
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Financial maths. Determine the present value for a bond to obtain a certain yield. This involves annuities and compound interest.
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Find the present value of a share which returns a constant growth dividend.
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Find the present value of a share which returns a constant dividend (similar to a perpetuity)
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Multiple choice question. Given a randomised polynomial select the possibe ways of writing the domain of the function.
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Students seem to freak out when their answer is not written exactly the same as the answer provided. This question tries to enforce that $(x-y)=-(y-x)$ and $\frac{a-b}{c-d}=\frac{b-a}{d-c}$
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Multiply two algebraic fractions (unfortunately their appearance doesn't really change) and cancel.
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Fractions don't have a common denominator. Need to find one. Addition and subtraction 50:50 split.
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Fractions already have a common denominator. Addition and subtraction 50:50 split. Students shouldn't have to worry about reducing fractions by design.
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A whole number divided by a very simple algebraic fraction. No cancelling is required by design.
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A very simple algebraic fraction multiplied by a whole number. No cancelling is required by design.
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A simple algebraic fraction dividing by another. Cancelling is recommended.
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