Across
- 5. (Q): Numbers that can be written as a fraction a/b, where a and b are integers.
- 6. A mathematical statement that compares two quantities using symbols such as <, >, ≤, or ≥.
- 8. The numerical factor of a variable term.
- 9. (R): The set of all rational and irrational numbers.
- 12. (≤): Indicates that one quantity is smaller than or equal to another.
- 15. (≥):Indicates that one quantity is larger than or equal to another.
- 17. If two quantities are equal, one may be replaced by the other in any expression or equation.
- 18. Simplifying an expression by adding or subtracting terms with the same variable part.
- 20. (N): The counting numbers {1,2,3,…}.
- 21. (W): The set {0,1,2,3,…}.
Down
- 1. (>): Indicates that one quantity is larger than another.
- 2. A symbol, usually a letter, that represents a number or quantity.
- 3. Multiplying a number by each term inside a set of parentheses.
- 4. The distance a number is from 0 on a number line.
- 7. The rules used to simplify expressions in the correct order: PEMDAS.
- 10. (Z): The set of positive and negative whole numbers, including 0.
- 11. (I): Real numbers that cannot be written as a ratio of two integers.
- 13. A mathematical statement showing that two expressions are equal.
- 14. A number that does not change and has no variable attached to it.
- 16. A mathematical phrase containing numbers, variables, and operations.
- 19. (<): Indicates that one quantity is smaller than another.