List

Year 10 Working systematically

More Twisting and Turning
problem
Favourite

More twisting and turning

Age
11 to 16
Challenge level
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It would be nice to have a strategy for disentangling any tangled ropes...

Warmsnug Double Glazing
problem
Favourite

Warmsnug double glazing

Age
14 to 16
Challenge level
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How have "Warmsnug" arrived at the prices shown on their windows? Which window has been given an incorrect price?

Which is cheaper?
problem
Favourite

Which is cheaper?

Age
14 to 16
Challenge level
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When I park my car in Mathstown, there are two car parks to choose from. Can you help me to decide which one to use?

Nutrition and Cycling
problem
Favourite

Nutrition and cycling

Age
14 to 16
Challenge level
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Andy wants to cycle from Land's End to John o'Groats. Will he be able to eat enough to keep him going?

Picturing the world
problem
Favourite

Picturing the world

Age
14 to 16
Challenge level
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How can we make sense of national and global statistics involving very large numbers?

Isosceles Seven
problem
Favourite

Isosceles seven

Age
14 to 16
Challenge level
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Is it possible to find the angles in this rather special isosceles triangle?

Of all the areas
problem
Favourite

Of all the areas

Age
14 to 16
Challenge level
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Can you find a general rule for finding the areas of equilateral triangles drawn on an isometric grid?

Fair Shares?
problem
Favourite

Fair shares?

Age
14 to 16
Challenge level
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A mother wants to share some money by giving each child in turn a lump sum plus a fraction of the remainder. How can she do this to share the money out equally?

What's Possible?
problem
Favourite

What's possible?

Age
14 to 16
Challenge level
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Many numbers can be expressed as the difference of two perfect squares. What do you notice about the numbers you CANNOT make?

Pick's Theorem
problem
Favourite

Pick's theorem

Age
14 to 16
Challenge level
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Polygons drawn on square dotty paper have dots on their perimeter (p) and often internal (i) ones as well. Find a relationship between p, i and the area of the polygons.

Painted Cube
problem
Favourite

Painted cube

Age
14 to 16
Challenge level
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Imagine a large cube made from small red cubes being dropped into a pot of yellow paint. How many of the small cubes will have yellow paint on their faces?

Triangle in a Triangle
problem
Favourite

Triangle in a triangle

Age
14 to 16
Challenge level
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Can you work out the fraction of the original triangle that is covered by the inner triangle?

Nicely Similar
problem
Favourite

Nicely similar

Age
14 to 16
Challenge level
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If the hypotenuse (base) length is 100cm and if an extra line splits the base into 36cm and 64cm parts, what were the side lengths for the original right-angled triangle?

Surprising Transformations
problem
Favourite

Surprising transformations

Age
14 to 16
Challenge level
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I took the graph y=4x+7 and performed four transformations. Can you find the order in which I could have carried out the transformations?

problem
Favourite

Simplifying doughnut

Age
14 to 16
Challenge level
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Can you match up these equivalent algebraic expressions?

Latin Numbers
problem
Favourite

Latin numbers

Age
14 to 16
Challenge level
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Can you create a Latin Square from multiples of a six digit number?

Compare Areas
problem
Favourite

Compare areas

Age
14 to 16
Challenge level
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Which has the greatest area, a circle or a square, inscribed in an isosceles right angle triangle?