2 out of 3
Is there a temperature at which Celsius and Fahrenheit readings are the same?
2 out of 3
How can you change the surface area of a cuboid but keep its volume the same? How can you change the volume but keep the surface area the same?
2 out of 3
Which countries have the most naturally athletic populations?
2 out of 3
Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...
2 out of 3
With access to weather station data, what interesting questions can you investigate?
2 out of 3
What's special about the area of quadrilaterals drawn in a square?
2 out of 3
Can you minimise the amount of wood needed to build the roof of my garden shed?
2 out of 3
Just because a problem is impossible doesn't mean it's difficult...
2 out of 3
Play around with sets of five numbers and see what you can discover about different types of average...
2 out of 3
Is there a quick way to work out whether a fraction terminates or recurs when you write it as a decimal?
