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RHS Chapter1
Order of Operations, Exponent vocabulary
| Question | Answer |
|---|---|
| algebraic expression | combination of variables, numbers, and at least one operation |
| evaluate | to find the value of an expression by replacing variables with numbers |
| exponent | in a power, the number of times the base is used as the factor |
| base | the number used as the factor |
| power | a number that can be written using an exponent |
| order of operations | rules to follow when more than one operation is used |
| squared | a number multiplied by itself is squared. |
| cubed | the product in which a number is the factor three times |
| numerical expression | a collection of numbers, operations, and grouping symbols |
| P E M D A S | The first letters of the words for operations Parentheses, Exponents, Multiply and Divide, Add and Subtract |
| Left-to-right | From which direction do you work a problem |
| product | the answer to a multiplication problem |
| sum | the answer in an addition problem |
| difference | the answer in a subtraction problem |
| mean | the average; the sum of numbers in a set divided by the number of addends |