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Galton's Quincunx

This Subtangent investigation is based on the probability of balls, which are dropped through a triangular array of pins (a quincunx), into slots beneath. Every time a ball hits a nail it has a probability of fifty percent to fall to the left of the nail and a probability of fifty percent to fall to the right of...

Football

This activity is based around video clips of the Swanscombe Tigers youth football team training and preparing for a game. There are three activities: • Pre-Match training which features several video clips showing players carrying out different football-related training tasks. Based on the players’ performances,...

Fashionista

This activity requires students to investigate the mathematics behind fashion trends. The software contains an introductory short film that shows the CEO and Store Manager of a London boutique discussing how to be successful in running a fashion business. His suggestions include: analysing age group buying patterns...

Diagonal Differences

This Subtangent investigation looks at what happens if the numbers in opposite corners of a three by three square, placed on an eight by eight grid, are multiplied then their difference found. Using algebra, students may discover a general rule which applies to any three by three square placed on the grid. Students...

Design the Mascot

In this activity, students take the role of a graphic designer. Their task is to create a mascot for a new primary school. Students use a web-based digital drawing tool package to draw their design. Students are encouraged to work both individually and in small groups to discuss possible designs as they make...

Crash Test

In this activity, students use computer software to explore the impact of car crashes under varying conditions and the effects on a simulated dummy. Students can select a car, a crash point and a speed, then watch an animation of a crash and see the results as physical impact on the dummy and as numerical data....

Corner to Corner

In this Nuffield activity students investigate how different numbers of squares can be joined corner to corner and the effect their arrangement has on the area of the rectangle that encloses the squares.

The key processes developed in this activity are:

*Representing - determining which aspects to...

Colouring Maps

This activity from Subtangent is based on the four colour theory, which is used by mapmakers. There is an interactive task which challenges students to colour a map using no more than four colours and ensuring that no two regions which share a border have the same colour. Further resources include examples of...

Solar Car

In this activity, students explore the questions: *What are the main sources of air pollution? *What is the impact of transport emissions on air pollution and the natural environment? *What can we do to reduce air pollution coming from transport? To what extent can emissions be reduced if solar powered cars instead...

Heads will roll

In this resource the head of a circular snowman rolls around its circular body to make one trip back to where it started. The ratio of the diameters of the circles is given. The challenge is to find how many times the head will revolve throughout the journey, and find a general rule.

The resource contains a...

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