Calculate the time taken for a certain distance to be travelled given the average speed and the distance travelled.

Small, simple question.

The student is shown a diagram containing a single point at the origin. They must move the point to the given integer coordinates.

A 2D linear programming problem: optimise the profit from producing two different kinds of product, which both use the same limited resources.

A JSXGraph diagram illustrates the problem and can be used to find an answer.

This question demonstrates a few ways of interacting with a Venn diagram drawn using JSXGraph.

The student is shown a diagram containing a line between two points. They're given a gradient and $y$-intercept.

They must manipulate the line or the points so that the line has the given gradient and $y$-intercept.

The student must make a spanning tree of the complete graph $K_5$. They can tick boxes to include or exclude edges, or toggle them by clicking on a visual representation of the graph.

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Add, subtract, multiply and divide algebraic fractions.

Choose which of 5 matrices are in a) row echelon form but not reduced b) reduced row echelon form c) neither.

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This question shows how to pick a GeoGebra worksheet to show to the student from a list, based on the value of a question variable.

Compute a 95% confidence interval for the population mean given a small sample, and compare it with a confidence interval for a different population.

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Putting a pair of linear equations into matrix notation and then solving by finding the inverse of the coefficient matrix. 

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