Enlargement resources

Students enlarge shapes by whole number scale factors.

Students calculate increases in length, area, and volume, and relate this to the scale factor for an enlargement.

Students work out the missing dimension on a rectangle and show how they obtained it using proportional reasoning.

Students enlarge a shape on a grid and explore the relationship between scale factor and area.

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.

Students enlarge shapes by specified increases in each dimension.

Students use their knowledge of transformation to complete an enlargement of a bird by a scale factor of two.

Students work out area, length and angles of a shape after enlargement.

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.