Areas and Volumes (English subtitles available)

1. Introduce Dissection Method and Fill Up Method for the calculation of the areas of polygons 2. Deduce and apply the formula for the area of a circle 3. Understand the volumes of cubes, cuboids, prisms and cylinders are all equal to the product of their base areas and heights 4. Recognize the calculation of the surface area of a prism by considering its net