128 results in Demos - search across all projects.
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Question
A question designed to demonstrate the exam-level variable overrides feature. The student must work out the median of a given sample. The exam can override size of the sample, the range of numbers to pick, and whether the sample should be shown to the student in increasing order.
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Exam (3 questions)
A few questions showing how to use custom constants in different contexts.
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In this question, the imaginary unit $\sqrt{-1}$ is written as $j$ instead of $i$.
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The letters i, j and k are used to represent the standard 3D unit vectors.
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In this question, $\tau$ represents the ratio of a circle's radius to its circumference, or $2\pi$.
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The student is shown a GeoGebra worksheet containing a single point on a grid. They must move the point to the required coordinates.
The part is marked as correct if the point is in the right position.
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A demo of the choose several from a list part and its options.
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A demo of the match choices with answers part and its options.
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No description given
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A demo of the match text pattern part and its options.
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No description given
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Find a regression equation.
Now includes a graph of the regression line and another interactive graph gives users the opportunity to move the regression line around. Could be used for allowing users to experiment with what they think the line should be and see how this compares with the calculated line.
Also includes an updated SSE to see how the sum of the squares of the residuals varies with the regression line.
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This question demonstrates how to use the "Download a text file" extension to create a link to download a file containing text created from question variables.
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This question shows how to load a GeoGebra applet from geogebra.org.
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No description given
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Customised for the Numbas demo exam
Factorise $x^2+cx+d$ into 2 distinct linear factors and then find $\displaystyle \int \frac{ax+b}{x^2+cx+d}\;dx,\;a \neq 0$ using partial fractions or otherwise.
Video in Show steps.
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Demonstration of adaptive marking: the student must first add up the number of apples to buy, then work out how much that would cost. Adaptive marking carries an incorrect number of apples into the cost calculation.
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QuestionThe student is asked to add two four-digit numbers. Alternative answers are set up with progressively expanding ranges of accepted values, so the student gets more marks for getting closer to the true answer.
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Given the gradient of a slope and the coefficient of friction for a mass resting on it, use the equations of motion to calculate how it moves.
Includes a GeoGebra rendering of the model.
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An example of using the GeoGebra extension to ask the student to create a geometric construction, with marking and steps.
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A demo of the matrix entry part and its options.
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A demo of the choose one from a list part and its options.
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A demo of some custom part types.
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This demonstrates how to construct a JSXGraph diagram in JME code.
The construction shows a triangle and its orthocentre, circumcentre and centroid. They are always collinear. You can move the vertices of the triangle.
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Exam (7 questions)
A few questions which use the GeoGebra extension.
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This question shows how to use the GeoGebra extension to start with a blank worksheet, and add objects to it.
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This question demonstrates how to link a GeoGebra object to the answer to a part.
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This question demonstrates how to display a GeoGebra worksheet loaded from a file attached to the question.
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Exam (5 questions)
This is an old demo. For a demonstration of Numbas's current features, please see the newest demo exam.
A few questions which show off various features of Numbas.
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Demonstration of the written number extension, which converts whole numbers to words.