Year 5 Perimeter

perimeterYear 5 Perimeter

Two new sets of worksheets on the perimeter of shapes have just been published for Year 5. These shapes are called, ‘composite rectilinear shapes’ in the National Curriculum, which means they are made up of several rectangles. Usually only some of the lengths of the sides are given and children have to work out the missing lengths.

The first set are quite easy. They appear to be rectangles with smaller rectangles cut out of them and children may discover that the usual formula, P = 2 (length + width) will work to find the perimeter. This is not true of the second set which are harder to work out. Again, these are very popular in the KS2 SATs.

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