Math Vocabulary

2. Two angles whose measures add up to 90°.
4. Two angles whose measures add up to 180°.
5. A whole number, including positive numbers, negative numbers, and zero.
11. A number that can be written as a fraction of two integers, with a nonzero denominator.
12. Value The distance a number is from zero on a number line, always written as a positive number or zero.
14. A number multiplied by a variable in an algebraic expression.
15. Lines that are always the same distance apart and never intersect.

1. The point where two or more lines, rays, or sides meet.
3. Lines or segments that intersect to form a right angle (90°).
5. A mathematical statement that compares two values using symbols such as <, >, ≤, or ≥.
6. A letter or symbol that represents an unknown or changing number.
7. A number that uses a decimal point to represent whole numbers and parts of a whole.
8. A number that cannot be written as a fraction of two integers and has a decimal that never ends or repeats.
9. A number that represents part of a whole or a ratio of two numbers.
10. A number that does not change in an expression or equation.
13. A mathematical statement that shows two expressions are equal.