Specification References: G3.2h G3.2h Understand the effect of enlargement for perimeter, area and for volume of shapes and solids. Use the effect of enlargement for perimeter, area and volume in calculations. |
Questions may be set which ask, for example, how many times bigger is the area of shape A than shape B?
Candidates will be expected to know the connection between the linear, area and volume scale factors of similar shapes and solids. Questions may be asked that exploit the relationship between weight and volume, area and cost of paint, etc.
Scales will be given as, for example, 1 cm represents 1 km, or 1 : 100.