Uses trigonometry Volume Maximum Volume Cuboid Box Investigation — a super investigation where pupils have to produce a box of maximum volume given a certain size piece of paper Maximum Volume of Cylinder NRich Investigation — a classic NRich Maths investigation into maximising the volume of a cylinder made from a single piece of paper Volume QR Reader Treasure Hunt — a stunning treasure hunt that embraces modern technology. Effect of enlargement factor and centre of enlargement on enlargement transformations — interactive applet Trigonometry Vital Vectors Crosswind Landings — a problem based on using vectors to understand how aircraft land in crosswinds. Uses trigonometry Trigonometry Pile Up — a challenging trigonometry puzzle! Another amazing resource from www. Rotational Symmetry in iTunes Visualiser Video — a super video featuring lots of rotational symmetry. Loci and Constructions Murder Mystery — a stunning and very engaging resource from the amazing www. Useful for identifying units that measure similar quantities and also for showing the difference between metric and imperial units Reaction Times Maths In Work Video — a great video about how compound units can be used to calculate reaction times in athletes Calculating Distance Off Course Maths In Work Video — a super video incorporating bearings, angle facts and compound measures to calculate how far a ship is off course Calculating Hours And Minutes Maths In Work Video — a video explaining how an admin worker converts the amount of time an employee has worked into a decimal number of hours Vectors Vital Vectors Crosswind Landings — a problem based on using vectors to understand how aircraft land in crosswinds.