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reciprocal The _________________ of a number is: 1 divided by the number
multi-digit Having more than one digit
rational numbers A number that can be made by dividing two integers. (Note: integers have no fractions.) The word comes from "ratio". Examples: 1/2 (1 divided by 2, or the ratio of 1 to 2) ;0.75 (3/4), 1 (1/1); 2 (2/1); 2.12 (212/100); −6.6 (−66/10)
multiplicative inverses Another name for Reciprocal, What you multiply by a number to get 1 .
visual fraction model A tape diagram, number line diagram, or area model.
greatest common factor greatest number that is a factor of each of two or more given numbers
least common multiple the smallest nonzero number that is a common multiple of two or more numbers considered
prime numbers A whole number greater than one that can be divided evenly only by 1, or itself.
opposites Two integers are _______________ if they are each the same distance away from zero, but on opposite sides of the number line
composite numbers A whole number that can be divided evenly by numbers other than 1 or itself
absolute value How far a number is from zero. Example "6" is 6 away from zero, but "−6" is also 6 away from zero.
relatively prime Two numbers are ________________ when they have no common factors other than 1. In other words you cannot evenly divide both by some common value.
> greater than
factors numbers we can multiply together to get another number
< less than,
multiples The result of multiplying a number by an integer (not by a fraction)
greater than or equal to
distributive property the property that states that multiplying a sum by a number is the same as multiplying each addend by the number and then adding the products; it says that if a, b, and c are real numbers, then: a x (b + c) = (a x b) + (a x c)
less than or equal to
prime factorization all of the prime numbers that multiply to create the original number
origin The starting point: On a number line it is 0; On a two-dimensional graph it is where the X axis and Y axis cross, marked (0, 0) In three dimensions it is the point (0, 0, 0); Often written as the letter O.
quadrant Any of the 4 areas made when we divide up a plane by an x and y axis
coordinate plane The plane determined by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis, intersecting at a point called the origin
ordered pairs Two numbers written in a certain order, Usually written in parentheses like this: (4,5) Can be used to show the position on a graph, where the "x" (horizontal) value is first, and the "y" (vertical) value is second.
x-axis The line on a graph that runs horizontally (left-right) through zero
y-axis The line on a graph that runs vertically (up-down) through zero.
coordinates In a two-dimensional coordinate plane, these are the pairs of numbers which specify the position or location of a point or of an object.
Created by: artisteacher