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Bridges and Structures

These activities from Cre8ate maths sets challenges which require pupils to be constructive, creative and think strategically about simple structures.Working in groups of 3 or 4, students create structures from a single sheet of A4 paper, the tallest free-standing tower and the longest possible span between two end...
Publication date:
2010 to date

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Number Stairs

This Subtangent investigation looks at the total of the squares inside a stair shape.Initially students investigate the relationship of the totals of a three step stair and its position on a 10 by 10 grid.Using algebra, students may discover a general rule which applies to any stair on the grid.Students can extend...
Publication date:
2000 - 2009

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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...
Publication date:
2000 - 2009

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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...
Publication date:
2000 - 2009

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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 the...
Publication date:
2000 - 2009

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Loopy Snooker

A special snooker table is the basis for this investigation from Subtangent. There are only four pockets on the table and you can only play the ball at 450 to the sides of the table. The ball begins from a given corner of the table and keeps moving until it hits a pocket. The number of bounces is recorded. Initially a...
Publication date:
2000 - 2009

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Leapfrog

The frogs in this Subtangent investigation have to be moved from one set of lily pads to another, following specific rules. This classic investigation is suitable for a wide age range of students. The number of frogs on each side can be varied, allowing further investigation and generalisations for the number of moves...
Publication date:
2000 - 2009

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Static Testing of a Model Rocket

This investigation, from BLOODHOUND SSC, uses a datalogger and force sensor to measure the thrust of a model rocket engine. The results can be analysed to predict the acceleration and speed of a model vehicle. The resource includes detailed instructions on how to conduct the experiment, including health and safety...
Publication date:
2010 to date

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Co-primes

In this Nuffield investigation these resources from AMP, co-funded by the Clothworkers and Nuffield Foundation, students investigate how many positive integers are less than and co-prime to any given positive integer. This activity requires some confidence with the co-prime property, division and divisibility tests....
Publication date:
2010 to date

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Average Limits

In this Nuffield investigation students explore limiting values of an iterative process, using arithmetic, algebra or spreadsheets. Students can move from identifying patterns to forming, verifying and proving conjectures.The key processes developed in this activity include:*Representing - moving from generation of a...
Publication date:
2010 to date

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