Understand Area as Square Units Practice Test

Maya draws a rectangle on grid paper. She counts $$8$$ unit squares along one side and $$5$$ unit squares along the other side. Then she draws a line across the middle that divides the rectangle into two equal parts. What is the area of one of the parts?

A square playground is covered with $$7$$ rows of square tiles and $$7$$ columns of square tiles. Each tile is $$1$$ square unit. If $$9$$ tiles break and are removed, what is the area that is still covered by tiles?