16-square-cm square Whiteboard exercise Play

4-square-inch square Whiteboard exercise Play

Approximating areas of flat irregular figures Student activity Play

Are you good at estimating lengths? Student activity Play

Are you good at estimating lengths? Whiteboard exercise Play

Areas during an eclipse Whiteboard exercise Play

Areas of arable land and forest Chart Play

Areas of figures Whiteboard exercise Play

Areas of figures Student activity Play

Areas of geometric figures Student activity Play

Areas of images of figures under enlargement Whiteboard exercise Play

Areas of images of figures under enlargement Student activity Play

Areas of more complex regions on the plane Student activity Play

Areas of parallelograms Student activity Play

Areas of plane shapes (1) Class activity Play

Areas of plane shapes (1) Whiteboard presentation Play

Areas of plane shapes (2) Whiteboard presentation Play

Areas of plane shapes (2) Class activity Play

Areas of polygons Whiteboard exercise Play

Areas of polygons Student activity Play

Areas of polygons Class activity Play

Areas of polygons Whiteboard exercise Play

Areas of polygons Student activity Play

Areas of polygons Whiteboard presentation Play

Areas of polygons made from trapeziums Whiteboard exercise Play