Across
- 2. Terms that have the same variable with the same exponents
- 5. An interval that includes BOTH end points Ex. 0 ≤ w ≤ 6
- 11. The product of any number and 0 is 0
- 15. Adding 0, or multiplying by 1, does not change a number
- 16. A letter or symbol that can be replaced by a number
- 19. Any sentence using the verb "="
- 20. Numbers, or quantities, that do not change
- 21. A collection of objects called elements
Down
- 1. The order of two numbers does not matter when you add or multiply
- 3. Is a set of numbers between two numbers a and b, including a, or b, or both.
- 4. The grouping of two or more numbers does not matter when you add or
- 6. The sum of a number and its opposite is 0
- 7. Multiply a sum or difference by a number by multiplying each term of the sum or difference by the number
- 8. Rules that tell you which operation to do first
- 9. A grammatically correct set of numbers
- 10. Replace a variable with a number or expression
- 12. An interval that does not include the end points. Ex. 0 < w< 6
- 13. Parts of an expression separated by a + or – sign.
- 14. Whole numbers and their opposites
- 17. All of the numbers that may be a meaningful substitute for a variable
- 18. The numbers a and b are called the...