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This interactive simulation gives the opportunity for students to explore Least-Squares Regression. There are a number of different options available from the drop-down menu or students can plot their own points. Students then use the sliders to add their own line of best fit, residual lines and squared residuals...

This MEI resource for complex numbers demonstrates loci in the Argand diagram. In the complex plane the horizontal axis are real numbers and on the vertical axis are imaginary numbers.

The excel file uses sliders to alter the position of the point on the plane. The point can be picked up and moved into all...

This series of excel sheets look at the turning points of quadratic and cubic functions. New examples can be generated on each sheet every time the resource is used.

The first interactive sheet shows the gradient at...

This excel file looks at using the sine curve to model the water depth in a tidal river.

The first interactive sheet shows how the Earth’s orbit around the Sun can be modelled by the sine curve. One or two cycles can...

This interactive program deals with the modulus function applied to linear, quadratic, reciprocal and sine functions. The graph of each function is shown as well as the unreflected sections of the graphs.

The first...

This series of interactive excel sheets investigate models involving moments.

The first sheet helps students to investigate the moment of a force about a point. The components of the force can also be revealed.

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This interactive excel file contains a series of normal distribution curves to investigate.

The first sheet displays the standard normal curve. The mean and variance can be adjusted and compared to the original graph...

This resource contains two excel programs with interactive spreadsheets dealing with linear inequalities in one or two variables.

Trial and...

This excel resource looks at various methods of evaluating pi, including Vièta’s formula and using the trapezium rule.

The first series of sheets include an introduction to François Vièta, his infinite product for...

Parabola

This file provides a well illustrated introduction to the properties of a parabola. It begins by illustrating the...

This excel file shows how Pascal's triangle can be used to calculate probabilities. Separate sheets show the possible outcomes when different numbers of coins are tossed. With the smaller number of coins these outcomes are listed.

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In this resource from the DfE Standards Unit, students analyse simple number 'tricks', and explain how they work, using algebra. They then try to create their own variants of the trick, making it more impressive. Students will: develop an understanding of linear expressions and equations; make simple conjectures...

This file has worksheets showing seven polar coordinate diagrams. The first allows students to explore simple polar coordinates by either inputting values for r and θ or stating those values for computer generated points. This is followed by two interactive sheets...

This engineering resource, produced by Mathematic in Education and Industry (MEI) for the Royal Academy of Engineering, asks the question: how can you predict future power requirements? Students are required to complete a table by substituting values into a formula and plot a graph. The activity offers good...

This excel program illustrates the effect of introducing bias when throwing coins.

The first interactive excel sheet simulates the outcome of throwing a coin ten times. The probability of each outcome is plotted and...

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