|There is a limited amount of interactivity built in to this resource.
There is a default delay of 6 seconds between displaying one triangle
and the next. You may change this to whatever value is most suitable for
There is a reproducible worksheet for students to log their answers down on paper. You may use the resource either as a whole-class teacher-led activity or as an individual/small group resource, depending on how your classroom or computer lab is arranged.
As it stands, the resource achieves little more than a series of overhead projector transparencies and a stopwatch would for a resourceful teacher. However, the source code is available for teachers who wish to make the triangle dimensions more complex, substitute other shapes, add a text field or multiple choice buttons for students to answer the questions online or adapt it in other ways to suit their classroom.