Measure the perimeter of rectangles

Finding the perimeter of rectangles and using the formula: P = 2l +2w.

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Finding the perimeter of regular polygons such as hexagons and octagons.

Using bar models to help with converting units.

Find all the possible perimeters that fit the rules.

Today we will use a ruler to accurately measure the perimeter of a rectangle. We will use both centimetres and millimetres.