Courses
Surface Areas and Volumes
Choose a component
Each component is a short guided lesson. Pick the idea you want to learn.
C1
Surface area of a cuboid and a cube
Cover a box with paper, face by face, and find how much you need.
C2
Surface area of a cylinder
Roll a sheet of paper into a tube and unroll it again.
C3
Soon
Surface area of a cone
Cut open a cone and see what its curved surface is made of.
C4
Soon
Surface area of a sphere
Wind a string around a ball to measure its surface.
C5
Volume of a cuboid
Stack sheets and cubes to find how much space a box takes up.
C6
Soon
Volume of a cylinder
Pile up coins into a cylinder and count the space inside.
C7
Soon
Volume of a cone
Fill a cylinder with cones of water and count how many it takes.
C8
Soon
Volume of a sphere
Drop a ball into water and measure the water it pushes out.