A task which depends on members of the group noticing the needs of others and responding.
It's easy to work out the areas of most squares that we meet, but what if they were tilted?
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
Can you rank these sets of quantities in order, from smallest to largest? Can you provide convincing evidence for your rankings?
How can you change the area of a shape but keep its perimeter the same? How can you change the perimeter but keep the area the same?
Can you find rectangles where the value of the area is the same as the value of the perimeter?
I'm thinking of a rectangle with an area of 24. What could its perimeter be?
If you have only 40 metres of fencing available, what is the maximum area of land you can fence off?
Can you deduce the perimeters of the shapes from the information given?
We started drawing some quadrilaterals - can you complete them?
