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problem
Petrol Prices
Weekly Problem 28 - 2009
How much does $u$ litres of unleaded cost in terms of the cost per litre of 4 star petrol?
How much does $u$ litres of unleaded cost in terms of the cost per litre of 4 star petrol?
problem
Different Rectangles
Can you draw two different rectangles, whose diagonal is represented by the same vector?
problem
LOGO challenge 6 - triangles and stars
Recreating the designs in this challenge requires you to break a problem down into manageable chunks and use the relationships between triangles and hexagons. An exercise in detail and elegance.
problem
Watermelons
These watermelons have been entered into a competition. Use the information to work out the number of points each one was awarded.
problem
Mona's Day
Describe what Mona might be doing from these pictures of clocks which show important times in her day.
problem
Food Impacts
In this interactivity you are asked to pair off different food types with the emissions created in their production.