Chapter 3:

2. the order may be reversed with no effect on the total
6. any value that can be rewritten as a fraction
9. The specific order in which certain operations are to be carried out to evaluate or simplify expressions
10. To find the numerical value of.
11. combination of individual terms separated by plus or minus signs, includes variables
14. he number we can multiply by to get the multiplicative identity.
15. the answer to a division problem

1. What you add to a number to get zero
3. to write a less complicated expression with the same value.
4. A single number or product (or quotient) of numbers.
5. when you change the grouping of addends or products or terms
7. a single number, variable, or the product of numbers and variables, such as –45, 1.2x, and 3xy2.
8. its multiplicative inverse,
12. positive or negative whole numbers including zero
13. Replacing one symbol with a number, a variable, or another algebraic expression of the same value, and does not change the value of the overall expression.