Across
- 2. two numbers whose product is 1
- 3. a number that has no factor but 1 and itself
- 6. a mathematical sentence with an equal sign
- 7. to write an expression in a simpler form
- 10. a mathematical phrase that contains operations, numbers, and/or variables
- 12. a statement that solves a problem or explains how to solve the problem
- 13. Whole numbers and their opposites
- 16. The middle number in a set of numbers that are listed in order
- 17. A statement that compares two quantities using <, >, ≤,≥, or ≠
- 18. an average of n numbers computed by adding some function of the numbers and dividing by some function of n
- 19. a number, a variable, or the product of a number and a variable
Down
- 1. the four regions into which the x-axis and the y-axis that separate the coordinate plane.
- 4. a quantity that does not vary
- 5. two numbers that are the same distance from zero on a number line, but are in opposite directions
- 8. An equation that is true for every value of the variable
- 9. The numerical factor when a term has a variable
- 10. a mathematical notation indicating the number of times a quantity is multiplied by itself
- 11. the number or expression that is used as a factor in a repeated multiplication
- 14. substituting a given number for each variable
- 15. a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity