From diagrams of four original and enlarged drawings to be used for Christmas wrapping paper, students identify the scale factor used and find a missing length on either the enlarged picture or the original picture.
This practical task requires students to construct a one metre newspaper roll, use it to estimate the dimensions of a room, then calculate the volume of that room.
From three different sized animal pictures and their enlargements, students are required to identify the scale factor and the length of an unknown side.
From two different street sign pictures and their enlargements, students are to identify the scale factor of each enlargement and either a missing length or the missing factor when enlarging the area.