Assigns the value of an expression to a variable or property.
It is a question that is definitely true or definitely false. It can't be both.
A statement that can be proven true or false. Not a question, not a command, and not an opinion.
It is a statement that shows a value of a variable or constant within sentences. For EX: A number less than 7 is 3 LET STATEMENT: four less than seven is 3.
A statement in math is something you say to try and prove something in a proof. They are typically accompanied by a reason.