On the graph there are 28 marked points. These points all mark the vertices (corners) of eight hidden squares. Can you find the eight hidden squares?
Use your skill and judgement to match the sets of random data.
What numbers would you put on this number line as it goes under the sea level?
An aluminium can contains 330 ml of cola. If the can's diameter is 6 cm what is the can's height?
What does this number mean? Which order of 1, 2, 3 and 4 makes the highest value? Which makes the lowest?
Add or subtract the two numbers on the spinners and try to complete a row of three. Are there some numbers that are good to aim for?
In this problem, we're investigating the number of steps we would climb up or down to get out of or into the swimming pool. How could you number the steps below the water?
What shape is the overlap when you slide one of these shapes half way across another? Can you picture it in your head? Use the interactivity to check your visualisation.
What does the overlap of these two shapes look like? Try picturing it in your head and then use some cut-out shapes to test your prediction.
Take a look at the video and try to find a sequence of moves that will untangle the ropes.
