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