If I don't have the size of cake tin specified in my recipe, will the size I do have be OK?
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
Can you sketch graphs to show how the height of water changes in different containers as they are filled?
Can Jo make a gym bag for her trainers from the piece of fabric she has?
Could nanotechnology be used to see if an artery is blocked? Or is this just science fiction?
In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?
Are these estimates of physical quantities accurate?
How efficiently can you pack together disks?
Practise your skills of proportional reasoning with this interactive haemocytometer.
Analyse these beautiful biological images and attempt to rank them in size order.