This question provides a list of data to the student. They are asked to find the mean, median, mode and range.

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Simple % calculation to introduce and practice concept for students identified as weak in this area

Substitute values into formulae for the area or volume of various geometric objects.

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Simple exam for IGCSE level factorisation and sequences. One of my first projects, probably contains many mistakes (marking is not very dynamic for example).

This question describes how students can adjust Numbas to their liking, using the exam display options and their browser's settings.

This is a test and will be deleted - please ignore it.

This question describes what to do if the student thinks there's a mistake in the exam, or if they have connection trouble.

Note: this advice was written for students who access Numbas exams through the Numbas LTI provider.

This question contains information on how Numbas works, from the beginning of an exam to the end.

Note: it was written for students who access Numbas exams through the Numbas LTI provider. Some of the information does not apply to standalone exams, or those delivered through a generic SCORM player.

This question gives information on how to answer mathematical expression parts, and some opportunities to try submitting answers.

Identify the prime number

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Use two points on a line graph to calculate the gradient and $y$-intercept and hence the equation of the straight line running through both points.

The answer box for the third part plots the function which allows the student to check their answer against the graph before submitting.

This particular example has a positive gradient.

Application of the binomial distribution given probabilities of success of an event.

Finding probabilities using the binomial distribution.

This question tests the student's understanding of basic definitions.

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A random heating question, that randomly picks a material, and then heats it through either one or two phase changes, provides an example graph of the heating with scaled temperature ranges (though not with scaled latent and specific heats), and a table with the suitable constants.