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Unit 3 Part 1
Unit 3 Basic Skills Part 1
Definition | Term |
---|---|
a number that shows how many times a base is used as a factor | exponent |
the repeated factor of a number written in exponential form | base |
a number written as repeated multiplication in exponential form | power |
any number raised to the “second power” | squared |
any number raised to the “third power” | cubed |
a mnemonic device used as a way to remember the order to solve numeric expressions | GEMDAS or PEMDAS |
the symbols (parenthesis), [brackets], or {braces} used to show order in math | grouping symbols |
the measure of the amount of space enclosed by a figure, in square units | area |
the distance around the outside of a figure, in straight units | perimeter |
the side that is perpendicular to (makes a right angle with) the height of a figure | base (of a figure) |
the part that is perpendicular to (makes a right angle with) the base of a figure | height (of a figure) |
part of a whole when the whole is split into equal parts | fraction |
the top number in a fraction; the part being used | numerator |
the bottom number in a fraction; how many parts make one whole | denominator |
a fraction with the numerator (top) smaller than the denominator (bottom); shows less than one whole | proper fraction |
a fraction with the numerator (top) greater than or equal to the denominator (bottom); shows more than one whole; can be written as a mixed number | improper fraction |
an amount greater than one whole shown with a whole number and a fraction | mixed number |
an amount less than one whole shown using place value | decimal |
the measure of the amount of space a figure takes up; written in cubic units (units3) | volume |