Use the information on these cards to draw the shape that is being described.
Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?
Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?
Can you draw a square in which the perimeter is numerically equal to the area?
What is the total area of the four outside triangles which are outlined in red in this arrangement of squares inside each other?
Use the interactivity to find all the different right-angled triangles you can make by just moving one corner of the starting triangle.
