Expression vs Sentence

Question 1

A combination of numbers, variables, and operation symbols without a relation symbol ( =, <, >, etc.)

Answer 1

Mathematical Expression

Question 2

A statement that expresses a complete idea and includes a relation symbol (=, <, >, ≥, ≤)

Answer 2

Mathematical Sentence

Question 3

What are the key components of a mathematical expression?

Answer 3

Numbers, variables, operation symbols (+, −, ×, ÷), but no equal or inequality sign.

Question 4

What are the key components of a mathetmatical sentence?

Answer 4

Numbers, variables, operation symbols, and a relation symbol that makes it a complete statement

Question 5

Is a mathematical expression complete? Why or why not?

Answer 5

Incomplete, it does not make a statement or comparison

Question 6

Is a mathematical sentence complete? Why or why not?

Answer 6

Complete, makes a statement that can be true or false