Glossary

area

The number of square units that cover a flat figure without gaps or overlaps.

axes
The numbered lines on a grid.

coordinate grid
A grid containing the horizontal and vertical axes.

coordinates
A pair of numbers that shows an exact position on a grid. The first number represents a position on the horizontal axis and the second number represents a position on the vertical axis.

cubic unit
A unit cube with side lengths that are standard measurement units that is used to measure volume.

horizontal axis
The number line that runs from left to right in a pair of axes.

power of 10
The result of multiplying 10 by itself a given number of times.

rectangular prism
A solid figure which has six faces that are rectangles.

right triangle
A triangle with a 90 degree angle.

unit cube
A cube whose sides are 1 unit long, used to measure volume.

vertical axis

The number line that runs up and down in a pair of axes.

volume
The number of unit cubes that fill a solid figure without gaps or overlap.