Explore the properties of matrix transformations with these 10 stimulating questions.
Explore the shape of a square after it is transformed by the action
of a matrix.
Use the computer to model an epidemic. Try out public health policies to control the spread of the epidemic, to minimise the number of sick days and deaths.
Explore how matrices can fix vectors and vector directions.
How efficiently can you pack together disks?
Can you make matrices which will fix one lucky vector and crush another to zero?
What functions can you make using the function machines RECIPROCAL and PRODUCT and the operator machines DIFF and INT?
Can you visualise whether these nets fold up into 3D shapes? Watch the videos each time to see if you were correct.
Use your skill and knowledge to place various scientific lengths in order of size. Can you judge the length of objects with sizes ranging from 1 Angstrom to 1 million km with no wrong attempts?
This problem explores the biology behind Rudolph's glowing red nose.
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.
Explore the meaning behind the algebra and geometry of matrices
with these 10 individual problems.
Starting with two basic vector steps, which destinations can you reach on a vector walk?
Can you match these equations to these graphs?
Which dilutions can you make using only 10ml pipettes?
Invent scenarios which would give rise to these probability density functions.
Investigate circuits and record your findings in this simple introduction to truth tables and logic.
Practice your skills of measurement and estimation using this interactive measurement tool based around fascinating images from biology.
Learn about the link between logical arguments and electronic circuits. Investigate the logical connectives by making and testing your own circuits and fill in the blanks in truth tables to record. . . .
Work out the numerical values for these physical quantities.
Estimate these curious quantities sufficiently accurately that you can rank them in order of size
Go on a vector walk and determine which points on the walk are
closest to the origin.
Many physical constants are only known to a certain accuracy. Explore the numerical error bounds in the mass of water and its constituents.
Is it really greener to go on the bus, or to buy local?
Use vectors and matrices to explore the symmetries of crystals.
See how enormously large quantities can cancel out to give a good
approximation to the factorial function.
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
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?
Can you sketch these difficult curves, which have uses in
Explore the meaning of the scalar and vector cross products and see how the two are related.
Use trigonometry to determine whether solar eclipses on earth can be perfect.
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
How do you write a computer program that creates the illusion of stretching elastic bands between pegs of a Geoboard? The answer contains some surprising mathematics.
How would you design the tiering of seats in a stadium so that all spectators have a good view?
What shapes should Elly cut out to make a witch's hat? How can she make a taller hat?
Looking at small values of functions. Motivating the existence of
the Taylor expansion.
Imagine different shaped vessels being filled. Can you work out
what the graphs of the water level should look like?
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Where should runners start the 200m race so that they have all run the same distance by the finish?
Explore the properties of perspective drawing.
Simple models which help us to investigate how epidemics grow and die out.
Can you suggest a curve to fit some experimental data? Can you work out where the data might have come from?
Get some practice using big and small numbers in chemistry.
Make an accurate diagram of the solar system and explore the concept of a grand conjunction.
A problem about genetics and the transmission of disease.
Can you work out what this procedure is doing?
In which Olympic event does a human travel fastest? Decide which events to include in your Alternative Record Book.
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?
Formulate and investigate a simple mathematical model for the design of a table mat.
Can you work out which processes are represented by the graphs?