Across
- 2. a mathematical phrase that contains operations, numbers, and/or variables
- 4. A mathematical sentence with an equal sign
- 6. substituting a given number for each variable
- 7. a mathematical notation indicating the number of times a quantity is multiplied by itself
- 8. a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity\
- 10. The numerical factor when a term has a variable
- 12. terms with exactly the same variable factors in a variable expression
- 15. A statement that compares two quantities using <, >, ≤,≥, or ≠
Down
- 1. the set of numbers that includes rational and irrational numbers.
- 3. two numbers that are the same distance from zero on a number line, but are in opposite directions. (-2 and 2)
- 5. The distance that a number is from zero on the number line
- 9. A quantity that does not vary
- 11. to write an expression in a simpler form
- 13. numbers that cannot be expressed in the form a/b, where a and b are integers and b =0
- 14. Whole numbers and their opposites