G6 NH SAS Math Vocabulary (copy)

|x| symbol for absolute value

less than, greater than, equal to, less than or equal to, greater than or equal to, not equal

3-dimensional

solid shapes; having points or sides that are not all on one plane

a ∙b , a(b) , and ab representing multiplication

mulitplication

about how many/much... (estimate)

estimate

absolute value

how far a number is from zero

absolute value |x|

symbol for absolute value

algebraic expression

a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add, subtract, multiply, and divide)

base (base^exponent 3^4)

a number that is raised to a power

base ( of 3-D figure)

as the base (area of) in a 3D figure

best estimate

to guess closely; an answer that is close to the exact answer

box plot

a diagram or graph using a number line to show the distribution of a set of data

Celsius

relating to, conforming to, or having the international thermometric scale on which the interval between the triple point of water and the boiling point of water is divided into 99.99 degrees with 0.01° representing the triple point and 100° the boiling point

circle graph/pie chart

a circular chart cut by radii into segments illustrating relative magnitudes or frequencies

coefficient

any of the factors of a product considered in relation to a specific factor

common factor

a number or expression that divides two or more numbers or expressions without remainder

common multiple

a multiple of each of two or more numbers or expressions

comparison

the act or process of comparing

cone

distinctive three-dimensional geometric figure with a flat and curved surface pointed towards the top

coordinate plane/coordinate

a pair of numbers used to determine the position of a point on a graph

grid

set of straight lines that cross each other at right angles to form a regular pattern of squares

coordinates

a pair of numbers used to determine the position of a point on a graph

cubic measure (e.g. 4 in^3 )

a unit (such as cubic inch or cubic centimeter) for measuring volume

cylinder

a solid object with 2 identical flat ends that are circular and 1 curved side

data

a collection of facts, such as values or measurements

data set

is a collection of data.

digit

any of the Arabic numerals 1 to 9 and usually the symbol 0

edge

a line or line segment that is the intersection of two plane faces (as of a pyramid) or of two planes

equivalent expression(s)

expressions that have the same value but are presented in a different format using the properties of numbers

evaluate (to simplify)

to simplify

evaluate (to substitute in a value for a variable and then value for a variable and then simplify)

to substitute in a value for a variable and then value for a variable and then simplify

exponent(s)

a mathematical notation indicating the number of times a quantity is multiplied by itself

expression vs equation

an expression is a mathematical phrase that doesn't have an equal sign between variables or numbers, while equation combines two expressions with an equal sign.

face

any of the plane surfaces that bound a geometric solid

factor

a number that is multiplied by another number to find a product

formula

a mathematical rule written using symbols, usually as an equation describing a certain relationship between quantities

graph

a diagram (such as a series of one or more points, lines, line segments, curves, or areas) that represents the variation of a variable in comparison with that of one or more other variables

graphing inequalities on number line (use of open circle vs closed circle (endpoint))

first draw a circle over the number (e.g., 3). Then if the sign includes equal to (≥ or ≤), fill in the circle. If the sign does not include equal to (> or

greatest comparison (comparing data)

take a look at two different data distributions and draw some comparisons.

greatest common factor (GCF)

the greatest number that is a factor of two or more numbers

grid

set of straight lines that cross each other at right angles to form a regular pattern of squares

histogram

a bar chart representing a frequency distribution

inequality

a mathematical sentence that uses symbols such as

input/output table

gives pairs of numbers that follow a certain pattern or rule

integer

all whole numbers (both positive and negative) and zero

intersect/intersecting

the point at which lines or curves meet; the line where planes meet

least common multiple (LCM)

the smallest common multiple that two or more numbers have in common

line plot

a method of visually displaying a distribution of data values where each data value is shown as a dot or mark above a number line. also known as a dot plot

mean

the average; A measure of center in a set of numerical data, computed by adding the values in a list and then dividing by the number of values in the list

measure of center

measure that tells us where the middle of a bunch of data lies. The three most common are mean, median, and mode.

median

the middle value of a set of data that are arranged in order of size

miles and kilometers (1 mile being about 1.6 km)

1 mile being about 1.6 km

mode

the number or numbers that occur most often in a set of data

model (diagram or picture)

diagram or picture

model (represents)

represents

multiple

the numbers that result from multiplying a whole number by the set of whole numbers (e.g., the multiples of 15 are 0, 15, 30, 45, 60, 75, etc.)

negative

numbers that are less than zero

net

a two‐dimensional diagram that can be folded or made into a three‐dimensional figure

odometer

an instrument for measuring the distance traveled (as by a vehicle)

ordered pair (x, y)

the location of a single point on a rectangular coordinate system where the first and second values represent the position relative to the x‐axis and y‐axis, respectively

percent

number of things out of every 100

polyhedron

a solid formed by plane faces

positive integer

greater than zero

pounds to kilograms (1 lbs = about 2.2 kg)

1 lb = 2.2 kg

prism

a polyhedron that has two congruent and parallel faces joined by faces that are parallelograms. Prisms are named by their bases

pyramid

a solid shape with polygon as a base and triangular faces that taper to a point (vertex)

quantity

total amount or number

range

the difference between the greatest (maximum) and least (minimum) values in a set of data

rate

a ratio that compares quantities measured in different units.

ratio

the indicated quotient of two mathematical expressions

ratio table

is a model for proportional reasoning

rectangular prism

a three‐dimensional figure (polyhedron) with congruent rectangular parallel bases and lateral faces that are parallelograms

relate a table and a graph to the same given context

scale (ratio between two measures)

the ratio of any two corresponding lengths in two similar geometric figures

scatter plot

a graph of plotted points that show the relationship between two sets of data

set of data/data set

a collection of facts, such as values or measurements

solution

answer to a problem

sphere

a three‐dimensional figure in which all points on the figure are equidistant from a center point.

term (as part of an expression)

part of an expression

to and : representing ratio

ex. 3: 4 is the same as 3 to 4

trapezoid

a quadrilateral with exactly one pair of parallel sides

unit price (price per...)

tells you the cost per pound, quart, or other unit of weight or volume of a food package.

unit rate

a rate in which the second quantity in the comparison is one unit.

V = B ∙ h (B is area of base (lw))

Volume = Base (area) x height

value of (simplifying an expression)

simplifying an expression

variation/variability/measure of variation

a function that relates the values of one variable to those of other variables

vertices

a corner point of a geometric figure. For a polygon, vertices are where adjacent sides meet. For an angle, the vertex is where the two rays making up the angle meet.

x|y table

every point is defined by both an X and a Y value

relationship between x and y (what is the "rule")