Main content

Volume and surface area

Volume of rectangular prisms

Learn

Volume intro
(Opens a modal)
Measuring volume with unit cubes
(Opens a modal)
Measuring volume as area times length
(Opens a modal)
Volume of a rectangular prism
(Opens a modal)
How volume changes from changing dimensions
(Opens a modal)
Volume formula intuition
(Opens a modal)
Volume of rectangular prisms review
(Opens a modal)

Practice

Volume with unit cubes 1Get 5 of 7 questions to level up!
Volume 1Get 5 of 7 questions to level up!

Volume with fractions

Learn

Volume with fractional cubes
(Opens a modal)
Volume of a rectangular prism: fractional dimensions
(Opens a modal)
Volume of a rectangular prism: word problem
(Opens a modal)

Practice

Volume with cubes with fraction lengthsGet 3 of 4 questions to level up!
Volume with fractionsGet 3 of 4 questions to level up!
Volume by multiplying area of base times heightGet 3 of 4 questions to level up!
Volume word problems: fractions & decimalsGet 3 of 4 questions to level up!

Surface area

Learn

Intro to nets of polyhedra
(Opens a modal)
Surface area using a net: triangular prism
(Opens a modal)
Surface area of a box (cuboid)
(Opens a modal)
Surface area of a box using nets
(Opens a modal)
Surface area using a net: rectangular prism
(Opens a modal)
Surface area word problem example
(Opens a modal)
Surface area review
(Opens a modal)

Practice

Nets of polyhedraGet 3 of 4 questions to level up!
Find surface area by adding areas of facesGet 3 of 4 questions to level up!
Surface area using netsGet 3 of 4 questions to level up!
Surface areaGet 3 of 4 questions to level up!
Surface area word problemsGet 3 of 4 questions to level up!
Volume and surface area word problemsGet 3 of 4 questions to level up!

Volume of cones, cylinders, and spheres

Learn

Cylinder volume & surface area
(Opens a modal)
Volume of a cone
(Opens a modal)
Volume of a sphere
(Opens a modal)
Volume formulas review
(Opens a modal)

Practice

Volume of cylindersGet 3 of 4 questions to level up!
Volume of conesGet 3 of 4 questions to level up!
Volume of spheresGet 3 of 4 questions to level up!
Volume of cylinders, spheres, and cones word problemsGet 3 of 4 questions to level up!

About this unit

Volume and surface area help us measure the size of 3D objects. We’ll start with the volume and surface area of rectangular prisms. From there, we’ll tackle trickier objects, such as cones and spheres.