Simon Thomas

Looking at gradients and values for x and y for straight-line graphs

Given the graph of the line determine the equation of the line.

Given one point and the gradient determine the equation of the line.

Calculating gradients

Identifying the gradient from a straight-line graph equation y=mx+c

Calculating gradients

Identifying the intercept from a y=mx+c equation

Find the lowest common multiple and highest common factors of given numbers. Also a question on identifying prime numbers.

Curl and divergence of a vector field.  Determine whether the vector field is irrotational or solenoidal.

No description given

Polar form of a complex number.

Using trig identities to find solutions to equations

Just showing how to use the stdev function from the stats extension to calculate the standard deviation of a list of numbers.

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Just showing how to use the stdev function from the stats extension to calculate the standard deviation of a list of numbers.

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Given data on probabilities of three levels of success of three options and projections of the profits that the options will accrue depending on the level of success, find the expected monetary value (EMV) for each option and choose the one with the greatest EMV.

This question assesses the students ability to find the expected number of times an event occurs given the probability of the event occurring for a single trial and the total number of trials.

Footballer expects to score in a/b matches.

Basic data structures and maths/stats functionality given.

You can configure the rest.

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A student selects a card from a deck of 52 and rolls a dice once.

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Independent events in probability. Choose whether given three given pairs of events are independent or not.

Given results from a survey about what people eat for breakfast, where some people eat one or both of cereal and toast. Student is asked to pick the probability of eating either one or the other from a list. Distractors pick out common errors.

Given descriptions of some pairs of random events, pick the ones which are mutually exclusive.

Simple probability question. Counting number of occurrences of an event in a sample space with given size and finding the probability of the event.

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Given the probabilities that each of four out of five friends will win a round of mini-golf, work out the probability that the fifth friend won't win, then use that to find the probability that they will win.

Deicde whether each of the described sets of data is drawn from a discrete or continuous distribution.

Draws a triangle based on 3 side lengths.

No description given

Solve for x and y on a given triangle and calculate the area

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