Shows that Pythagoras for Spherical Triangles reduces to
Pythagoras's Theorem in the plane when the triangles are small
relative to the radius of the sphere.
Are these estimates of physical quantities accurate?
Work with numbers big and small to estimate and calulate various quantities in biological contexts.
Look at the advanced way of viewing sin and cos through their power series.
By exploring the concept of scale invariance, find the probability
that a random piece of real data begins with a 1.
Work with numbers big and small to estimate and calculate various quantities in physical contexts.
How efficiently can you pack together disks?
Explore the properties of perspective drawing.
See how enormously large quantities can cancel out to give a good
approximation to the factorial function.
Which of these infinitely deep vessels will eventually full up?
Get further into power series using the fascinating Bessel's equation.
How much energy has gone into warming the planet?
Work with numbers big and small to estimate and calculate various quantities in biological contexts.
Use simple trigonometry to calculate the distance along the flight
path from London to Sydney.
Find the distance of the shortest air route at an altitude of 6000
metres between London and Cape Town given the latitudes and
longitudes. A simple application of scalar products of vectors.
Build up the concept of the Taylor series
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Explore the relationship between resistance and temperature
Can you make matrices which will fix one lucky vector and crush another to zero?
Starting with two basic vector steps, which destinations can you
reach on a vector walk?
Use vectors and matrices to explore the symmetries of crystals.
Each week a company produces X units and sells p per cent of its
stock. How should the company plan its warehouse space?
Which pdfs match the curves?
Various solids are lowered into a beaker of water. How does the
water level rise in each case?
Why MUST these statistical statements probably be at least a little
Which line graph, equations and physical processes go together?
Explore the meaning of the scalar and vector cross products and see
how the two are related.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
10 graphs of experimental data are given. Can you use a spreadsheet to find algebraic graphs which match them closely, and thus discover the formulae most likely to govern the underlying processes?
Explore the properties of matrix transformations with these 10 stimulating questions.
A problem about genetics and the transmission of disease.
This is our collection of tasks on the mathematical theme of 'Population Dynamics' for advanced students and those interested in mathematical modelling.
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?
Can you work out which processes are represented by the graphs?
Formulate and investigate a simple mathematical model for the design of a table mat.
Invent scenarios which would give rise to these probability density functions.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
How do you choose your planting levels to minimise the total loss
at harvest time?
Go on a vector walk and determine which points on the walk are
closest to the origin.
Explore the shape of a square after it is transformed by the action
of a matrix.
Explore the meaning behind the algebra and geometry of matrices
with these 10 individual problems.
Explore how matrices can fix vectors and vector directions.
Can you sketch these difficult curves, which have uses in
This problem explores the biology behind Rudolph's glowing red
Can Jo make a gym bag for her trainers from the piece of fabric she has?
The probability that a passenger books a flight and does not turn
up is 0.05. For an aeroplane with 400 seats how many tickets can be
sold so that only 1% of flights are over-booked?
Are these statistical statements sometimes, always or never true?
Or it is impossible to say?
If a is the radius of the axle, b the radius of each ball-bearing, and c the radius of the hub, why does the number of ball bearings n determine the ratio c/a? Find a formula for c/a in terms of n.