List

Year 10 Visualising and representing

Vector Racer
game
Favourite

Vector racer

Age
11 to 16
Challenge level
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The classic vector racing game.

Take Three From Five
problem

Take three from five

Age
11 to 16
Challenge level
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Caroline and James pick sets of five numbers. Charlie tries to find three that add together to make a multiple of three. Can they stop him?

Pair Products
problem

Pair products

Age
14 to 16
Challenge level
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Choose four consecutive whole numbers. Multiply the first and last numbers together. Multiply the middle pair together. What do you notice?

Curvy areas
problem

Curvy areas

Age
14 to 16
Challenge level
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Have a go at creating these images based on circles. What do you notice about the areas of the different sections?

Speeding boats
problem

Speeding boats

Age
14 to 16
Challenge level
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Two boats travel up and down a lake. Can you picture where they will cross if you know how fast each boat is travelling?
Slick Summing
problem

Slick summing

Age
14 to 16
Challenge level
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Watch the video to see how Charlie works out the sum. Can you adapt his method?

Which is cheaper?
problem

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?
Track design
problem

Track design

Age
14 to 16
Challenge level
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Where should runners start the 200m race so that they have all run the same distance by the finish?

Steel Cables
problem

Steel cables

Age
14 to 16
Challenge level
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Some students have been working out the number of strands needed for different sizes of cable. Can you make sense of their solutions?
Quadratic Patterns
problem

Quadratic patterns

Age
14 to 16
Challenge level
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Surprising numerical patterns can be explained using algebra and diagrams...

Hollow Squares
problem

Hollow squares

Age
14 to 16
Challenge level
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Which armies can be arranged in hollow square fighting formations?
Isosceles Seven
problem

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?

Plus Minus
problem

Plus minus

Age
14 to 16
Challenge level
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Can you explain the surprising results Jo found when she calculated the difference between square numbers?
Attractive Tablecloths
problem

Attractive tablecloths

Age
14 to 16
Challenge level
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Charlie likes tablecloths that use as many colours as possible, but insists that his tablecloths have some symmetry. Can you work out how many colours he needs for different tablecloth designs?
Terminology
problem

Terminology

Age
14 to 16
Challenge level
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Given an equilateral triangle inside an isosceles triangle, can you find a relationship between the angles?
Pick's Theorem
problem

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

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?
Nicely Similar
problem

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?

Gutter
problem

Gutter

Age
14 to 16
Challenge level
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Manufacturers need to minimise the amount of material used to make their product. What is the best cross-section for a gutter?

Negatively Triangular
problem

Negatively triangular

Age
14 to 16
Challenge level
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How many intersections do you expect from four straight lines ? Which three lines enclose a triangle with negative co-ordinates for every point ?

At right angles
problem

At right angles

Age
14 to 16
Challenge level
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Can you decide whether two lines are perpendicular or not? Can you do this without drawing them?
Surprising Transformations
problem

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?

Mystic Rose
problem

Mystic rose

Age
14 to 16
Challenge level
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Use the animation to help you work out how many lines are needed to draw mystic roses of different sizes.
Filling the gaps
problem

Filling the gaps

Age
14 to 16
Challenge level
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Which numbers can we write as a sum of square numbers?
Pythagoras Perimeters
problem

Pythagoras perimeters

Age
14 to 16
Challenge level
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If you know the perimeter of a right angled triangle, what can you say about the area?
Puzzling Place Value
problem

Puzzling place value

Age
14 to 16
Challenge level
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Can you explain what is going on in these puzzling number tricks?