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Chapter 1
Operations & Properties
Term | Definition |
---|---|
Estimate | are close to the exact answer but are usually easier and faster to find. |
Compatible Number | are close to the numbers in the problem, and they can help do math mentally. |
Underestimate | an estimate that is less than the exact answer. |
Overestimate | an estimate that is greater than the exact answer. |
Dividend | the number to be divided into groups. |
Divisor | the number by which the dividend is divided. |
Exponent | a number by which tells how many times the base is used as a factor. |
Base | the number that is used as a factor. |
Exponential Form | is when a number is written with a base and an exponent. |
Numerical Expression | is a mathematical phrase that includes only numbers and operation symbols. |
Simplify | finding the value of a numerical expression. |
Order of Operations | a rule for evaluating expressions: Parenthesis, Exponents, Multiplication/Division (order from L→R), Addition/Subtraction (order from L→R). |