quick skill

memory or shortcut skill

quick skill

quick skill

quick skill

sum the digits and then divide by 3

memory or shortcut skill

memory or shortcut skill

No description given

quick multiplication

No description given

No description given

No description given

No description given

Asks the student whether a map between two finite sets, given schematically "by arrows" is injective/surjective/bijective.

Points of intersection

How many bits are needed to represent a character in ascii?

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

Questions about percentage and ratio, applied to finance.

Based on section 3.2 of the Maths-Aid workbook on numerical reasoning.

Find an interior angle and length of a diagonal of a random parallelogram.

Solve for the internal force in three members of a truss.

Use the parallel axis theorem to find the area moment of inertia of a triangle and a rectangle about various axes.

Find moment of inertia of a shape which requires the use of the parallel axis theorem for a semicircle.

Find moment of inertia wrt the x- and y- axes for a shape made up of two rectangles.

Find moment of inertia and radius of gyration for a built-up beam made of two channels and two plates.

Find moment of inertia of a composite shape consisting of a rectangle and two triangles with respect to the x-axis. Shapes rest on the x-axis so the parallel axis theorem is not required.

Practice dividing polynomials using the long division method.

Completa el cuadrado dos veces para determinar el radio y el centro de un círculo.