Math Crossword Puzzle

a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity
A mathematical phrase involving at least one variable and sometimes numbers and operation symbols.
a mathematical notation indicating the number of times a quantity is multiplied by itself 
The set of numbers 1, 2, 3, 4, ... Also called counting numbers
Natural numbers ( counting numbers) and zero; 0, 1, 2, 3... 
All whole numbers (both positive and negative) and zero.
numbers that can be written as fractions, including terminating and repeating decimals, and integers 
Numbers that cannot be expressed as a ratio of two integers. Their decimal expansions are nonending and nonrepeating. 
A statement that compares two quantities using <, >, ≤,≥, or ≠
The distance a number is from zero on a number line
The distance a number is from zero on a number line
A plane that is divided into four regions by a horizontal line called the x-axis and a vertical line called the y-axis
A pair of numbers that can be used to locate a point on a coordinate plane
the point halfway between the endpoints of a segment
the set of values of the independent variable for which a function is defined