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Vocabulary Terms

TermDefinition
Sum the answer to an addition problem
Diffirence the answer to an subtraction
Product the answer to a multiplication problem
Quotient the answer to a division problem
Whole Number a number without a fraction; an interger
Rational Number can be written as a number
Interger a number with no fractional parts
Absolute Value how far a number is from zero
Commutative Property number states that two or more numbers can be multiplied/added in any order
Associative Property states that for all real numbers a,b,c the sum/product is always the same
Distributive Property for all real numbers a,b,c, a(b+c)= ab+ac and a(b-c)=ab=ac
Identity Property states that the sum/product is 1 and its self
Opposite two numbers that are equal distance from zero on a number line; also called additive inverse
Additive Inverse the opposite of a number
Numeric Expression an expression that contains only numbers and operations
Algebraic Expression an expression that contains at least one variable
Order of Operations rule: parenthesis, exponents, multiplication/division, addition/subtraction
Variable a symbol represented a quantity that can change
Constant a value that does not change
Coefficent the number that is multiplied by the variable in an algebraic expression
Evaluate to find the value of a numerical expression
Simplify to write a fraction in simplest form
Solution the set of values that make a statement true
Term Expression: the parts of an expression that are added or subtracted Sequence: an element or number in a sequence
Like Term terms with the same variables raised to the same exponets
Perimeter the distance around a polygon
Expression a mathematical phrase that contains operations, numbers or variables
Equation a mathematical sentence that shows that two expressions are equivalent
X-axis the horizontal axis on a coordinate plane
Y-axis the vertical axis on a coordinate plane
Bar graph a graph that uses vertical or horizontal bars to display data
Line Graph a graph that uses line segments to show how data changes
Stem- and-Leaf plot a graph used to organize and display data so that the frequencies can be compared
Box- and - whisker plot a graph shows how data are distributive by using the median, quartiles, least value, and greatest value
Circle graph a circular chart divided into section that represent percentage of that total
Measures of central tendency mean, median, mode
Measures of variability range, interquartile range
Mean add all the numbers and divide by how many numbers are in a data set.
Median the middle number in a data set.
Mode the most common number in a data set.
Range the difference between the biggest and smallest number
Outlier a value much greater or much less in a data set.
Lower Extreme smallest value.
Upper Extreme largest value.
First Quartile median of lower half
Second Quartile Median.
Third Quartile median of upper half.
Interquartile range the difference between the upper and lower extremes in a box-and-whisker plot.
Percent a ratio comparing a number to 100
Ratio comparison of two quantities in division.
Rate a ratio compares two quantities measured in different rates
Unit Rate a rate in which the second quantity in the comparison is 1 unit.
Multiplicative Inverse one of two numbers whose product is 1.
Reciprocal one of two numbers whose product is 1; also called multiplicative inverse.
Equivalent having the same value.
Compare to compare two or more things.
Repeating Decimal a decimal that repeats forever.
Terminating Decimal a decimal that has digits that DO NOT go on forever.
Numerator the number above the line in a fraction
Denominator the number below the line in a fraction.
Least Common Multiple (LCM) smallest number that they both divide into.
Greatest Common Factor (GCF) greatest factor that divides 2 numbers
Line Plot (or Dot Plot) shows frequency of data along a number line.
Population everybody in a group
Sample part of a population
Random Sample every member of a population has an equal chance of being chosen
Biased Sample Unfair sample
Convenience Sample a sample that is easy to get
Created by: kaitlyn_scott
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