Unit One (Lesson 1 -3) Vocabulary

The volume of a unit cube.

• cubic unit
• face

• rectangular prism

• solid figure

A two-dimensional figure, such as a circle, triangle, or rectangle.

• plane figure
• solid figure

• composite figure

• rectangular prism

A three-dimensional figure.

• solid figure
• base of a prism

• square unit

• plane figure

A cube with side lengths of one unit. A unit cube is said to have one cubic unit of volume, and can be used to measure the volume of a solid figure.

• unit cube
• area

• volume

• plane figure

The amount of space inside a solid figure. Volume is measured in cubic units such as cubic inches.

• volume
• face

• area

• base of a prism

A flat surface of a solid shape.

• face
• cubic unit

• volume

• rectangular prism

A solid figure with six rectangular faces.

• rectangular prism
• solid figure

• composite figure

• square unit

 One side of a prism, usually considered to be the side shown as the bottom of the prism. In the volume formula, v = b x h, b represents the area of the base.

• base of a prism
• composite figure

• volume

• area

A mathematical relationship that is expressed in the form of an equation

• formula
• area

• volume

• base of a prism

Any figure that we can break and form more than one basic solid figure from.

• composite figure
• plane figure

• rectangular prism

• face