Use two points on a line graph to calculate the gradient and $y$-intercept and hence the equation of the straight line running through both points.

The answer box for the third part plots the function which allows the student to check their answer against the graph before submitting.

This particular example has a positive gradient.

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This question provides a list of data to the student. They are asked to find the "range".

This question provides a list of data to the student. They are asked to find the "median".

This question provides a list of data to the student. They are asked to find the "mode".

Calculating the Mean from a basic list of integers.

This question provides a list of data to the student. They are asked to find the "range".

Calculate an intersection probability given a two way table.

Calculate probability of selecting coloured counters from a bag.

Given the number of international students enrolled on a course of $n$ students, calculate the percentage of 'home' students.

Calculate one number as percentage of another.

Calculate the percentage increase (as a percentage) given a number and the size of the increase.

Given a student discount, calculate a discounted price.

Calculate the change from a note given two costs.

Calculate the volume of different 3D shapes, given the units and measurements required. The formulae for the volume of each shape are available as steps if required.

Calculate the volume of different 3D shapes, given the units and measurements required. The formulae for the volume of each shape are available as steps if required.

Substitute values into an algebraic expression and calculate the result.

Calculate an answer involving a fractional index.

Calculate the centroidal moment of intertia of a rectangle with a excentric rectangular hole.

Calculate the moment of inertia of a composite shape consiting of two rectangles about the x or y-axis.  Parallel axis theorem is often required.

Calculation of bending resistance of wooden beams exposed to fire. The students have to calculate charring and effective cross sections ending in the bending resistance of the cross section.

MCQ to calculate selling price when given cost price and VAT rate.

MCQ to calculate the relative percentage error in a simple multiplication.

Draws a triangle based on 3 input points. Calculates length, area, perimeter, heights and internal angles

Calculate the midpoint of two points.

Calculate the midpoint of two points.

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The student must calculate the carbon footprint given electricity and gas energy usage.

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