Resource 3: Translation

Background information / subject knowledge for teacher

You will find a useful resource on the website below.

http://www.bbc.co.uk/ schools/ ks3bitesize/ maths/ shape_and_space/ transformations_1_2. shtml [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)]

This website provides background information on translations, transformations and reflections as well as interactive activities over four pages that you can do to explore the concepts and ideas involved.

If we translate a shape, we move it up or down or from side to side, but we do not change its appearance in any other way.

When we translate a shape, each of the vertices (corners) must be moved in exactly the same way.

Which of the following shapes are translations of triangle A?

Original Source: http://www.bbc.co.uk/ schools/ (Accessed 2008)
 

Answer: D and E are translations of triangle A.

Resource 2: Examples of congruent shapes

Resource 4: Translating and reflecting triangles