64 results in How-tos - search across all projects.
-
Question by
Christian Lawson-Perfect
Some clever variable-substitution trickery to randomly pick two sides of a right-angled triangle to give to a student, and ask for the other.
The sides are set up so they're always Pythagorean triples, and the opposite side is always odd.
As ever, most of the tricky stuff is in the advice.
Because this was created quickly to show how to set up the randomisation, there's no diagram. It would benefit greatly from a diagram.
-
Question by
Christian Lawson-Perfect
Numbas can now understand and use several different styles of notation for numbers.
This question shows off all the supported styles, both for display in text and in the answers to number entry parts.
-
Question by
Christian Lawson-Perfect
Show one of several blocks of text depending on the value of a question variable.
As well as a simple check for the value of a variable, the condition to display a block of text can be a complex expression in any of the question variables - in this example, depending on the discriminant of the generated quadratic.
-
Question by
Christian Lawson-Perfect
Construct a line through two points in a GeoGebra worksheet. Change the line by setting the positions of the two points when the worksheet is embedded into the question.