Save guides, add subjects and pick up where you left off with your BBC account. Sometimes shapes can be more complicated. Be particularly careful to add up the lengths of every side when you work ...

Learn about perimeters and how to calculate the perimeter of a simple ... between the ages of 11 and 14. Area of squares, rectangles and compound shapes Learn about the area of squares, rectangles ...

While this isn't a real problem, it is a fun way to show how the perimeter and area of something is related. We are going to round down the paper size here, to make the math easier. An 8x11 inch ...