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Number sense Ch 1-3
| Chapter 1 | |
|---|---|
| Common Factor | A number that is a factor of two or more numbers |
| Dividend | The number that is to be divided in a division problem |
| Divisor | The number that divides the dividend |
| Factor | A number multiplied by another number to find a product |
| Greatest Common Factor | The greatest factor that two or more numbers have in common |
| Least Common Multiple | The least number that is a common multiple of two or more numbers |
| Prime Factorization | A number written as the product of all its prime numbers |
| Prime number | A number that has exactly two factors:1 and itself |
| Chapter 2 | |
| Common Denominator | A common multiple of two or more denominators |
| Compatible Numbers | Numbers that are easy to compute with mentally |
| Equivalent Fraction | Fractions that name the same amount or part |
| Fraction | A number that names a part of a whole or a part of a group |
| Mixed Number | A number that is made up of a whole number and a fraction |
| Multiplicative inverse | A reciprocal of a number that is multiplied by that number resulting in a product of 1 |
| Reciprocal | Two numbers are reciprocal of each other if their product equals 1 |
| Simplest Form | A fraction is in simplest form when the numerator and denominator have only 1 as a common factor |
| Chapter 3 | |
| Absolute Value | The distance of an integer from zero on a number line |
| coordinate Plane | A plane formed by a horizontal line called the x-axis and a vertical line called the y-axis |
| Integers | The set of whole numbers and their opposites |
| Line of Symmetry | A line that divides a figure into two halves that are reflections of each other |
| Line Symmetry | A figure has line of symmetry if it can be folded about a line so that its two parts march exactly |
| Negative Integer | Any integer less than zero |
| Opposites | Two numbers that are the same distance, but in opposite directions, from zero on a number line |
| ordered pair | A pair of numbers used to locate a point on a grid |
| Origin | The point where the two axes of a coordinate plane intersect;(0,0) |
| Postive Integer | Any integer greater than zero |
| Quadrants | The four regions of the coordinate plane separated by the x- and y-axes |
| Rational Number | Any number that can be written as a ratio a/b where a and b are integers and b |
| X-axis | A horizontal number line on the coordinate plane |
| X-coordinate | The first number in an ordered pair; tells the distance to move right or left from (0,0) |
| Y-axis | The vertical number line on a coordinate plane |
| Y-coordinate | The second number in an ordered pair; tells the distance to move up or down from (0,0) |
Created by:
aa029912
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