# Definition of Open Sentence

An open sentence is a mathematical statement which may be either true or false, depending on the values of its variables.

For example, if we say that $x - 2 not less than \(7$, and the statement is false. If $x = 8$, then $x - 2 = 8 - 2 = 6$, which is less than $7$, and the statement is true.

### Description

The aim of this dictionary is to provide definitions to common mathematical terms. Students learn a new math skill every week at school, sometimes just before they start a new skill, if they want to look at what a specific term means, this is where this dictionary will become handy and a go-to guide for a student.

### Audience

Year 1 to Year 12 students

### Learning Objectives

Learn common math terms starting with letter O

Author: Subject Coach
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