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# Number Systems Vocab

### 6th Grade, Unit 1 Vocab

TermDefinition
absolute value (magnitude) the distance a number is from zero on a number line; always positive
composite number a whole number greater than 1 that has more than two factors
coordinate plane a way of plotting locations in a 2-dimensional space using a horizontal number line and a vertical number line
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 4(6 + 8) = (4x6) + (4x8)
factor a whole number that is multiplied by another whole number to find a product
greater than used to compare two numbers when the first number is larger than the second number
greatest common factor the highest number that divides exactly into two or more numbers
inequality shows numbers in the correct order using the comparing symbols < or >
integers the set of whole numbers (includes zero) and their opposites
least common multiple the lowest whole number that can be divided by two or more chosen numbers
less than used to compare two numbers when the first number is smaller than the second number
multiple the result of multiplying two whole numbers
negative numbers numbers less than zero
opposites two numbers that have the same absolute value but have different signs
ordered pair/coordinates (x,y); shows the location of a point using its location on the horizontal number line, x, and its location on the vertical number line, y
origin the intersection of the zero on the x-axis and zero on the y-axis; (0, 0)
positive numbers numbers greater than zero
prime number a whole number greater than 1 that has exactly two factors, 1 and itself
quadrants four regions into which a coordinate plane is divided by the x-axis and the y-axis
rational numbers any number that can be written as a fraction
whole number a number without a decimal, fraction, or negative
x-axis the horizontal (side-to-side) number line in a coordinate grid/system/plane
x-coordinate the first number of an ordered pair; it tells where on the horizontal axis a point is located
y-axis the vertical (up and down) number line in a coordinate plane/grid/system
y-coordinate the second number of an ordered pair; tells where on the vertical axis a point is located
Created by: MrsOHaren6
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