*Always measured in units cubed (u3) VOLUME VOLUME is the amount of liquid or solid that will FILL a 3-Dimensional object! *Always measured in units cubed (u3)

QUICK DEFINITION 3-Dimensional objects are NOT FLAT. They have 3 measurements: Length Width Height

RECTANGULAR PRISM The volume of a 3-D object called a RECTANGULAR PRISM, which is a solid figure that has six faces that are all rectangles. Opposite faces are congruent and parallel.

Formula for the Volume of a Rectangular Prism Volume = length × width × height

FIND THE VOLUME OF THIS RECTANGULAR PRISM: 3 mm 2 mm 12 mm

Let’s practice some problems and solving them. A cereal box has a length of 8 inches, a width of 1.75 inches, and a height of 12.125 inches. How much cereal will the box hold?

Alexis’s bathroom has a tub in the shape of a rectangular prism with a length of 1.5 meters, a width of 0.5 meter, and a height of 0.4 meter. How many cubic meters of water can it hold?

Now let’s try a more challenging problem.

Be Careful. You must convert 3 feet to inches Be Careful! You must convert 3 feet to inches. Subtract and then convert back to feet.

Length x Width x Height 12 x 2 x 2 ½ 24 x 2 ½ 60 Length = 12 feet Width = 2 feet Height = 30 inches or 2 ½ feet Length x Width x Height 12 x 2 x 2 ½ 24 x 2 ½ 60 A

BINGO Let’s Practice finding Volume