Trigonometry
Which Rule
'Master the art of working out when best to apply which rule to trigonometry problems' From SOHCAHTOA to cosine rule, to Pythagoras's theorem, it can be difficult to know which is the most appropriate...
Trigonometry
Re-arranging SOHCAHTOA
'Understand all the things that are true about a given diagram, choose the right one and re-arrange it to suit you!' Once you know about SOHCAHTOA the next challenge is to find out how to apply it to...
Trigonometry
Skewey Squares
'Discover Pythagoras's theorem by investigating the areas of these Skewey Squares' This is a fantastic investigation full of surprises that really help to understand how mathematical phenomena can be...
Mensuration
Making Cones
'Explore cones by making one! A great puzzle that helps to understand the formulae for cones' It sounds easy, but is it? Make a cone with a base radius of 10cm and a perpendicular height of 24 cm. What...
Mensuration
Prism People
Do you know what a prism is? You will after this activity! Make a robot entirely out of different prisms. You must have at least one cuboid, one triangular prism, one cylinder and one hexagonal based...
Mensuration
Piece of Cake
'Work out how to calculate sector areas using intuition to solve this problem!' Which piece of cake is the biggest? How can you compare the size of different parts of a circle if the circles don't all...
Mensuration
Discovering Pi
'Give meaning to the existence of Pi by exploring the geometric phenomenon from which it comes' The enigmatic Pi is a fascination for mathematicians, but it can be a mystery to lots of people. Its decimal...
Mensuration
Area and Perimeter of 2D shapes
A great puzzle to help you practice working out areas and perimeters This task is all about the application of formulae for the area and perimeter of 2D shapes. How well do you know yours? The task is...
Geometry
Human Loci
'Take the classroom outside and explore Loci interactively' 'A set of students that all obey a given rule', that is what human loci is all about. Before working on points and shapes, this activity asks...
Geometry
Circle Theorems
'Discover and generalise the theorems about angles in circles using dynamic geometry' This activity focusses on the important difference between a particular case and the general case. Using dynamic geometry,...