2 out of 3
What is the greatest volume you can get for a rectangular (cuboid) parcel if the maximum combined length and girth are 2 metres?
2 out of 3
In this problem we are faced with an apparently easy area problem, but it has gone horribly wrong! What happened?
2 out of 3
A circle of radius r touches two sides of a right angled triangle, sides x and y, and has its centre on the hypotenuse. Can you prove the formula linking x, y and r?
1 out of 3
In how many ways can you fit two of these yellow triangles together? Can you predict the number of ways two blue triangles can be fitted together?
2 out of 3
Use the interactivity to move Pat. Can you reproduce the graphs and tell their story?
1 out of 3
These rectangles have been torn. How many squares did each one have inside it before it was ripped?
2 out of 3
Can you fit the tangram pieces into the outline of Little Fung at the table?
2 out of 3
Can you fit the tangram pieces into the outlines of the people?
1 out of 3
Can you fill in the mixed up numbers in this dilution calculation?
3 out of 3
Three points A, B and C lie in this order on a line, and P is any point in the plane. Use the Cosine Rule to prove the following statement.
