Math Vocabulary Chapters 1-6

Question 1

estimate

Answer 1

An answer that is close to the exact answer and is found by rounding or other methods

Question 2

compatible number

Answer 2

Numbers that are close to the given numbers that make estimation or mental calculations easeir

Question 3

underestimate

Answer 3

An estimate that is less than the exact answer

Question 4

overestimate

Answer 4

An estimate that is greater than the exact answer

Question 5

exponent

Answer 5

The number that indicates how many times the base is used as a factor

Question 6

base

Answer 6

When a number is raised to a power, the number that is used as the factor is the base

Question 7

exponential form

Answer 7

A number is in exponential form when it is written with a base and an exponent

Question 8

numerical expression

Answer 8

An expression that contains only numbers and operations

Question 9

simplify

Answer 9

To write a fraction or an expression in simplest form

Question 10

order of operations

Answer 10

A rule for evaluating expression: BEDMAS, PEMDAS

Question 11

Commutative Property

Answer 11

The property that states that two or more numbers can be multiplied in ANY ORDER without changing the product

Question 12

Associative Property of Addition and Multiplication

Answer 12

The property that states that the way the way numbers are GROUPED doesn’t matter. The product or sum will be the same.

Question 13

Distributive Property

Answer 13

The property that states if you multiply a sum by a number, you will get the same result if you multiply each addend by that number and then add the products

Question 14

sequence

Answer 14

An ordered list of numbers

Question 15

term

Answer 15

An element of a number in a sequence

Question 16

arithmetic sequence

Answer 16

A sequence in which the terms change by the same amount each time

Question 17

algebraic expression

Answer 17

An expression that contains at least one variable

Question 18

constant

Answer 18

A statement that is believed to be true

Question 19

equation

Answer 19

A mathematical sentence that shows that two expressions are equivalent

Question 20

evaluate

Answer 20

To find the value of a numerical or algebraic expression

Question 21

inverse operation

Answer 21

Operations that undo each other: addition/subtraction, multiplication/division

Question 22

solution

Answer 22

A value that makes an equation true

Question 23

variable

Answer 23

A symbol used to the represent a quality that can change

Question 24

clustering

Answer 24

A method used to estimate a sum when all addends are close to the same value

Question 25

front-end estimation

Answer 25

An estimating technique in which the front digits of the addends are added

Question 26

scientific notation

Answer 26

A method of writing very large or very small numbers by using a power of 10

Question 27

common denominator

Answer 27

A denominator that is the same in two or more fractions

Question 28

composite number

Answer 28

A number greater than 1 that has more than two whole-number factors

Question 29

divisible

Answer 29

Can be divided by a number without leaving a remainder

Question 30

equivalent fractions

Answer 30

Fractions that name the same amount or part

Question 31

factor

Answer 31

A number that is multiplied by another number to get a product

Question 32

greatest common factor (GCF)

Answer 32

The largest common factor of two or more given numbers

Question 33

improper fraction

Answer 33

A fraction in which the numerators is greater than or equal to the denominator

Question 34

like fractions

Answer 34

Fractions that have the same denominator

Question 35

mixed number

Answer 35

A number made up of a whole number that is not 0 and a fraction

Question 36

prime factorization

Answer 36

A number written by the products of it's prime factors

Question 37

prime number

Answer 37

A whole number greater than one that has exactly two factors, itself and 1

Question 38

proper fraction

Answer 38

A fraction in which the numerator is less than the denominator

Question 39

repeating decimal

Answer 39

A decimal in which one or more digits repeats indefinitely

Question 40

simplest form

Answer 40

Fractions are in simplest form when the numerators and denominators have no common factor other than one

Question 41

terminating decimal

Answer 41

A decimal number that ends, or terminates

Question 42

unlike fractions

Answer 42

Fractions with different denominators

Question 43

least common denominator (LCD)

Answer 43

The least common multiple of two ore more denominators

Question 44

least common multiple (LCM)

Answer 44

The smallest number other than 0 that is a multiple of two or more given numbers

Question 45

reciprocals

Answer 45

One of two numbers whose product is one

Question 46

multiplicative inverse

Answer 46

One of two numbers whose product is 1

Question 47

bar graph

Answer 47

A graph that uses vertical or horizontal bars to display data

Question 48

coordinate grid

Answer 48

A grid formed by the intersection of horizontal and vertical lines that is used to locate points

Question 49

double-bar graph

Answer 49

A graph that shows how two related sets of data change over time

Question 50

frequency

Answer 50

frequency

Question 51

frequency table

Answer 51

A table that lists items together according to the number of times, or frequency, that the items occur

Question 52

histogram

Answer 52

A bar graph that shows the frequency of data within equal intervals

Question 53

line graph

Answer 53

A graph that uses line segments to show how data changes over time

Question 54

line plot

Answer 54

A number line with marks or dots that show frequency

Question 55

mean

Answer 55

The sum of the items in a set of data divided by the number of items in the set; also called "average"

Question 56

median

Answer 56

The middle number or mean of the two middle number in an ordered set of data

Question 57

mode

Answer 57

The number or numbers that occur most frequently in a set of data; when all numbers occur with the same frequency, we say there is not mode

Question 58

ordered pair

Answer 58

A pair of numbers that may be used to located a point on a coordinate plane

Question 59

outlier

Answer 59

A value much greater than or much less than the others in the data set

Question 60

range

Answer 60

The difference between the greatest and least value in a data set

Question 61

stem-and-leaf plot

Answer 61

A graph used to organize and display data so that the frequencies can be compared