problem
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Growing Rectangles
What happens to the area and volume of 2D and 3D shapes when you
enlarge them?
problem
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Chances are
Which of these games would you play to give yourself the best possible chance of winning a prize?
problem
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The Better Choice
Here are two games you can play. Which offers the better chance of winning?
problem
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Factorising with Multilink
Can you find out what is special about the dimensions of rectangles you can make with squares, sticks and units?
problem
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Perception versus reality
Infographics are a powerful way of communicating statistical information. Can you come up with your own?
problem
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CD Heaven
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?
problem
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In a box
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?
problem
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Partly Painted Cube
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?
problem
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Which is bigger?
Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
problem
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Which list is which?
Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?
problem
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Kite in a Square
Can you make sense of the three methods to work out what fraction of the total area is shaded?