384 results authored by Christian Lawson-Perfect - search across all users.

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• GeoGebra embed problem
Should not be used
Question

An example to help debug a problem with GeoGebra.

• Exam (1 question) in Demos

A few questions which use the GeoGebra extension.

• Question

Given a parcel's width, height and length, calculate its volume and surface area. Additionally, classify its size based on a formula inspired by a real delivery company (as mad as it sounds!).

The student must give units with each measurement.

• Question

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• Question

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• Question

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• Question

Work out $k$ when $y = kx^2$.

• Question

Use the product rule (number of ways of doing A and B = (no. for A)*(no. for B)) to count the number of ways of doing two independent tasks.

Draft
Question

No description given

• Question

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• Question

Experimental question using JSXGraph to provide dynamic, interactive graphs.

• Question

An experiment is performed twice, each with $5$ outcomes

$x_i,\;y_i,\;i=1,\dots 5$ . Find mean and s.d. of their differences $y_i-x_i,\;i=1,\dots 5$.

• Question

Finding areas under graphs using definite integration.

• Exam (3 questions) in How-tos

This exam uses a custom theme to provide no feedback about scores to the student.

The idea is to provide a version of the test compiled with this theme to the students as they attempt it. Once the test has closed, update with a version of the same test compiled with the default theme, so students can go back in and get feedback.

• Demo exam
Should not be used
Exam (5 questions) in Demos

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.

• Question in How-tos

A demonstration of how to use the "variable list of choices" option for a "choose one from a list" part to shuffle only some of the choices, and always have the same "I don't know" choice at the end of the list.

• Question in How-tos

The student is asked to factorise a quadratic $x^2 + ax + b$. A custom marking script uses pattern matching to ensure that the student's answer is of the form $(x+a)(x+b)$, $(x+a)^2$, or $x(x+a)$.

To find the script, look in the Scripts tab of part a.

• Question in How-tos
The matrix entry part in this question marks any symmetric matrix as correct, using a custom marking algorithm. A matrix is symmetric if it is equal to its transpose.
• Question in Demos

A demo of the mathematical expression part and its options.

• Question in Demos

A demonstration of embedding various kinds of media in a question.

• Question in Demos

A demo of the number entry part and its options.

• Numbas website demo
Exam (17 questions) in Demos

Some questions to show off features of Numbas, linked from the Numbas homepage.

• Question in Demos

Demonstration of the written number extension, which converts whole numbers to words.

• Question in Demos

A demo of the choose several from a list part and its options.

• Question in Demos

A demo of the match choices with answers part and its options.

• Question in Demos

A demo of the gap-fill part and its options.

• Question in Demos

A demo of how custom marking algorithms can be used to replace the built-in marking methods.

• Question in Demos

A demo of some custom part types.

• Question in Demos

A demonstration of the random person extension, which picks representative names of people.

• Question in Demos

A demo of the "quantities with units" extension and custom part type.