List

Year 11 Being Collaborative

Growing Rectangles
problem
Favourite

Growing Rectangles

Age
11 to 14
Challenge level
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What happens to the area and volume of 2D and 3D shapes when you enlarge them?
Chances are
problem
Favourite

Chances are

Age
14 to 16
Challenge level
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Which of these games would you play to give yourself the best possible chance of winning a prize?
The Better Choice
problem
Favourite

The Better Choice

Age
14 to 16
Challenge level
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Here are two games you can play. Which offers the better chance of winning?
Factorising with Multilink
problem
Favourite

Factorising with Multilink

Age
14 to 16
Challenge level
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Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
Perception versus reality
problem
Favourite

Perception versus reality

Age
14 to 18
Challenge level
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Infographics are a powerful way of communicating statistical information. Can you come up with your own?
Three cubes
problem
Favourite

Three cubes

Age
14 to 16
Challenge level
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Can you work out the dimensions of the three cubes?
CD Heaven
problem
Favourite

CD Heaven

Age
14 to 16
Challenge level
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All CD Heaven stores were given the same number of a popular CD to sell for £24. In their two week sale each store reduces the price of the CD by 25% ... How many CDs did the store sell at each price?
In a box
problem
Favourite

In a box

Age
14 to 16
Challenge level
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Chris and Jo put two red and four blue ribbons in a box. They each pick a ribbon from the box without looking. Jo wins if the two ribbons are the same colour. Is the game fair?
Partly Painted Cube
problem
Favourite

Partly Painted Cube

Age
14 to 16
Challenge level
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Jo made a cube from some smaller cubes, painted some of the faces of the large cube, and then took it apart again. 45 small cubes had no paint on them at all. How many small cubes did Jo use?
Which is bigger?
problem
Favourite

Which is bigger?

Age
14 to 16
Challenge level
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Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
Which list is which?
problem
Favourite

Which list is which?

Age
14 to 16
Challenge level
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Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?
Kite in a Square
problem
Favourite

Kite in a Square

Age
14 to 18
Challenge level
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Can you make sense of the three methods to work out what fraction of the total area is shaded?