Unit 1 Order of Operations & Integers
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Created by:
elitzelman on September 15, 2011
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19 terms
Terms | Definitions |
|---|---|
 Integers | the set of whole numbers and their opposites |
| Negative Numbers | numbers less than zero |
| Positive Numbers | numbers greater than zero |
| Zero | is a part of the set of integers, but is neither positive or negative |
| Absolute value | The distance a number is from zero on a number line |
| Opposites | numbers that are the same distance from zero on a number line but in opposite directions |
| Whole numbers | All positive integers (including zero) |
| Expression | A number sentence with operations and no equals sign |
| Order of operations | the order in which operations in an expression to be evaluated are carried out. 1. parentheses 2. exponents 3. multiplication and division (left to right) 4. addition and subtraction (left to right) |
| Grouping symbols | parentheses and brackets that indicate the order in which operations should be performed |
| Distributive property | a property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses, such as a(b + c) = ab + ac |
| Exponents | Tells how many times the base is used as a factor |
| Coordinate Plane | A coordinate system formed by the intersection of a horizontal number line, called the x-axis, and a vertical number line, called the y-axis. |
| Ordered pair | A pair of numbers, (x, y), that indicate the position of a point on a Cartesian plane. |
| Quadrant | any of the four areas formed by the axes in a rectangular coordinate plane |
| X-axis | the horizontal number line in a coordinate plane |
| Y-axis | the vertical number line in a coordinate plane |
| Origin | the point of intersection of coordinate axes, (0,0) |
| Plot | To locate a point by means of coordinates |
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