In this KS2 maths article you’ll learn what a scale factor is and how to use them to describe how a shape has been made larger or smaller. We also have a KS2 maths quiz and lots of examples.

Enlarge the triangle ABC by a scale factor of 1 2 about the centre of enlargement O. First, draw ray lines from O to each corner of the triangle. Next, measure the distance from O to each corner ...