| A | B |
|---|
| numerical expression | a math phrase that has numbers and operations |
| simplify | to find the value of a numerical expression |
| variable | a letter that represents a number |
| algebraic expression | a math phrase that has variables |
| evaluate | to find the value of an algebraic expression |
| coefficient | the number in front of a variable indicating multiplication |
| factors | numbers that are multiplied |
| base | the repeated factor in a power |
| exponent | tells how many times the base is used as a factor |
| scientific notation | a number between 1 and 10 times a power of 10 |
| product | the answer to a multiplication problem |
| Commutative Property | order doesn't matter when add or multiply |
| Associative Property | grouping doesn't matter when add or multiply |
| Distributive Property | a number can be multiplied by each number in a sum or difference |
| Identity Properties | multiplying by one or adding zero results in the original number |
| inequality | number sentence containing an inequality symbol |
| equation | number sentence containing an equal sign |
| open sentence | number sentence containing a variable |
| number sentence | shows the relationship between two quantities |
| solve | to find the value of the variable that makes the equation true |
| solution | the value of the variable that makes the equation true |
| replacement set | the set of values that can replace the variable in a number sentence |
| checking | the process of replacing the variable with a value to see if it is the solution |
| solving steps | when we add, subtract, multiply, or divide a number to both sides of an equation |
