Topic #2 Area AREA Rectangle http://www.bgfl.org/bgfl/custom/resources_ftp/client_ftp/ks2/maths/perimeter_and_area/index.html
A rectangle is an equiangular quadrilateral A rectangle is an equiangular quadrilateral. Opposite sides are congruent and parallel. All internal angles are right angles.
What is the formula area of a rectangle?
http://www.mathvillage.info/node/135 Browse through the page, the animation is at the bottom.
http://www.mathvillage.info/node/136 Browse through the page, the animation is at the bottom.
http://www.mathvillage.info/node/137 Browse through the page, the animation is at the bottom.
http://www.mathvillage.info/node/56 Browse through the page, the animation is at the bottom.
Let’s have one more page… http://www.mathopenref.com/trapezoidarea.html
Practice Triangle Trapezoid http://www.mathvillage.info/node/139 http://www.mathvillage.info/node/140