TLF ID L139
Find the area of rectangles on a grid. Explore how the formula works for finding a rectangle's area. First, estimate the area of a chosen rectangle or compound rectangular shape on a grid. Second, work out the correct formula for finding area by placing rows and columns of squares inside the rectangles. Then, compare the actual area of the original shape with your first estimate. Practise applying the formula directly to a range of rectangular shapes. Includes finding the area of: 1. Rectangles; 2. Polygons made up of rectangles. This learning object is a combination of two objects in a series.