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We asked what was the most interesting fact that you can find out about the number 2009. See the solutions that were submitted.
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The heptathlon is an athletics competition consisting of 7 events. Can you make sense of the scoring system in order to advise a heptathlete on the best way to reach her target?
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How many shapes can you build from three red and two green cubes? Can you use what you've found out to predict the number for four red and two green?
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If I use 12 green tiles to represent my lawn, how many different ways could I arrange them? How many border tiles would I need each time?
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In sheep talk the only letters used are B and A. A sequence of words is formed by following certain rules. What do you notice when you count the letters in each word?
2 out of 3
Roll two red dice and a green dice. Add the two numbers on the red dice and take away the number on the green. What are all the different possible answers?
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In this challenge, you will work in a group to investigate circular fences enclosing trees that are planted in square or triangular arrangements.
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Can you compare these bars with each other and express their lengths as fractions of the black bar?
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Can you use addition and subtraction to answer these questions about real-life distances?
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How did the the rotation robot make these patterns?
