Listing all results (18)

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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Golden Mazes

In this Nuffield resource rooms in a rectangular maze of rooms have bags with a varying number of gold coins. Students explore the effect of the route on the number of gold coins that can be collected.The key processes involved in the activities are:*Representing - identifying the mathematics involved in the task and...
Publication date:
2010 to date

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Stacks

Publication date:
2010 to date

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Symmetry

In these AMP resources, co-funded by the Clothworkers and Nuffield Foundation, students investigate making different symmetrical shapes, using one or more of three given shapes. Students will work logically, identifying and classifying patterns making general statements.The key processes are:*Representing -...
Publication date:
2010 to date

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Three Dice

In this Nuffield probability activity students play a bingo-style game. To maximize their chances of winning, students must decide which numbers are most likely to occur when three dice are thrown and the scores are added.The key processes developed in this activity are:*Representing - identifying the mathematics...
Publication date:
2010 to date

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