Changes

| style="height:20px; width:200px; text-align:center;" |The shape has 20 [[square]]s inside it, so the [[area]] is 20 [[square]]s.

| style="height:20px; width:200px; text-align:center;" |This shape has an [[area]] of 14 [[square]]s.

|}

: If an unusual shape is drawn on a grid the [[area]] can be [[estimate]]d. The answer will not be exactly correct, but it will be close.