655 results authored by Christian Lawson-Perfect - search across all users.
-
This question shows how to use the GeoGebra extension to start with a blank worksheet, and add objects to it.
-
This question demonstrates how to link a GeoGebra object to the answer to a part.
-
This question demonstrates how to display a GeoGebra worksheet loaded from a file attached to the question.
-
An example to help debug a problem with GeoGebra.
-
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.
-
No description given
-
No description given
-
No description given
-
Work out \(k\) when \( y = kx^2\).
-
No description given
-
No description given
-
Finding areas under graphs using definite integration.
-
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.
-
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.
-
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.
-
Demonstration of the written number extension, which converts whole numbers to words.
-
Calculate the concentration of a dilute acid given the amount and concentration of dilute alkali to neutralise it. Cribbed from this Bitesize problem.
There are steps to break down the calculation, and the student must give units at each step.
-
No description given
-
Use the testing tab in the variables section to make sure the generated variables satisfy a condition
-
This question loads an extension which contains a dataset in JSON format. The data is made available as a JME variable called 'animal_data'.
-
A quick implementation of certainty-based marking: the student's score depends on how they rated their certainty in their answer before submission.
Because Numbas doesn't allow negative marking at the moment, scores are shifted upwards, so a high certainty incorrect answer scores 0, and a high certainty correct answer scores full credit.
-
Choose from one of several pre-defined scenarios, and set variables to the corresponding values.
This question has three variables:
city,population, andpercent_like_chocolate. These differ for each city. -
A collection of questions to show off at a workshop for the North East and Yorkshire sigma hub, June 2016.
-
No description given
-
Some questions to show off features of Numbas, linked from the Numbas homepage.
-
Three equilateral triangles are divided equally into 3, 4 and 5 parts respectively. Calculate the distance between two marked points.
-
A collection of questions to show off at a workshop for Newcastle's LTDS, June 2016.
-
Some questions which demonstrate the adaptive marking feature.
-
No description given
-
No description given
