Quizmo Math Vocabulary Plus

A.M.

the name for the time between midnight and noon

addend

the name for the numbers that are added in an addition problem

addition

the process of finding the total number of items when 2 or more sets are joined

algebraic expression

a number sentence that includes a variable

analog clock

clocks that have hands that show hours, minutes, and seconds

angle

this is made of two rays with a common endpoint

area

the number of square units needed to cover a surface, figure, or region

array

an arrangement that shows objects in rows or columns

ascending order

the order of numbers or objects from least to greatest

associative property

this is the property in which the same addends (or multiples) can be grouped in different ways and the sum (or product) will be the same

base of a solid

The face of a solid that is used to name the solid

between

on object in the center of two other objects

bisect

to divide an object into two equal parts

calendar

shows the days, weeks, and months of a year

capacity/volume

the amount a container can hold when filled

cent

a coin; also called a penny

center

the name for the point in the middle of a circle that is the same distance from anywhere on the circle

centimeter (cm)

a metric unit of length; 100 __ equal 1 meter

century

a period of time equal to 100 years

circle

a shape with all points the same distance from the center

circumference

the distance around a circle

common factor

a factor of two or more numbers

common multiple

a number that is a multiple of two or more numbers

commutative property

this is a property in which the order of two or more addends (or multiples) can be changed and the sum (or product) will be the same

compare

to determine if two quantities are greater than, less than, or equal to each other

compass

a tool used to construct angles

composite number

a whole number that has more than two factors

cone

a solid figure with one circular base and one vertex

congruent figures

figures having the same size and shape

cube

a solid with six square faces

cup (c)

a customary unit for measuring capacity; 1 __ equals 8 fluid ounces

cylinder

a solid with 2 congruent and parallel circular bases

data

information collected about people or things

decade

an amount of time equal to ten years

decimal

part of a whole; shown with numbers and a decimal point

decimal point

a point that separates whole numbers and decimal numbers

degree Celsius (C)

the metric unit for measuring temperature

degree Fahrenheit (F)

the customary unit for measuring temperature

denominator

the part of a fraction (below the fraction bar) that tells how many equal parts of a whole or whole is divided into

descending order

refers to numbers or objects that are in order from greatest to least

diameter

a line segment that passes through the center & touches 2 points on the circle

difference

the answer to a subtraction problem

digital clock

a clock that shows time with digits and a colon

digits

the ten symbols 0,1,2,3,4,5,6,7,8 and 9

dividend

the number that is divided in a division problem

division

a process of sharing a number of times to find how many groups can be made

divisor

the number that divides the dividend

dollar

an amount of money equal to 100 cents/pennies

dozen

a collection of twelve objects

edge

the place where two faces of a solid meet

elapsed time

the amount of time that passes from the start of an activity to the end of an activity

equal parts

when a set or object is divided into the same parts

equal sign

a symbol that shows two amounts have the same value

equation

a number sentence that shows two quantities are equal

equivalent

sets that have the same value

estimate

to find a number that is close to an exact amount

evaluate

to find the value of a numerical or algebraic expression

even numbers

any number that can be evenly divided by two

factor

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

foot

a customary unit of linear measurement; equal to twelve inches

fraction

part of a whole or group (2/3; 1/2)

gallon (gal)

a customary unit of capacity; 1 __ equals 4 quarts

gram (g)

a metric unit of mass equal to 1,000 milligrams

greater than

the symbol >; shows the first set is larger than the second set; also more than

grid

horizontal and vertical lines on a map

horizontal

left to right direction

hour

the amount of time equivalent to sixty minutes

integers

positive and negative whole numbers(0, 1, -1, 2, -2, etc.)

intersecting lines

lines that cross

interval

the distance between two numbers on a scale of a graph

inverse operations

operations that undo each other; addition and subtraction; multiplication and division

kilogram (kg)

a metric unit of mass equal to 1,000 grams

kilometer (km)

a metric unit of length equal to 1,000 meters

less than

the symbol <; shows the first set is smaller than the second set; also fewer

line

a straight path that extends in both directions forever

liter (L)

a metric unit of capacity equal to 1,000 milliliters

mass

the amount of matter in an object; also weight

mean

this is found by adding all the data and dividing by the number of addends; also called 'average'

median

the middle number in an ordered set of data

meter (m)

a metric unit of length equal to 100 centimeters

mile

a customary unit of length or distance; one __ is equal to 5,280 feet

milliliter (mL)

a metric unit of capacity equal to 0.001 liter

millimeter (mm)

a metric unit of linear measurement (length); 1,000 ___ equal 1 meter

minus

the symbol - ; shows subtraction

minute

a unit used to measure short amounts of time; equal to sixty seconds

mixed number

a number with a whole-number part & a fractional part

mode

the number that appears most often in a set of data

month

a unit of time equal approximately thirty days; there are twelve ___ in one year

multiple

a product of a whole number and another whole number

multiplication

the process of finding the total numbers of objects in equal-sized groups

negative numbers

numbers less than zero

numerator

the top number of a fraction that tells how many parts are being considered

odd number

a number that cannot be evenly divided by two

ordered pair

two numbers that locate a point on a grid; also coordinates

ordinal numbers

numbers that show order of position; such as first, second, third, etc.

ounces (oz)

a customary unit of mass or weight; 16 __ equal 1 pound

outcome

a possible result of an experiment

P.M.

the time between noon and midnight

percent

a ratio of a number compared to one hundred

perimeter

the distance around a figure

period

A group/family of 3 digits in a number; separated by commas

pint (pt)

a customary unit of capacity equal to 2 cups

place value

the position of a digit in a number that is used to determine the value of the digit

plane

the name for a flat surface that extends forever in all directions

plus

the symbol +; shows addition

polygon

closed plane figure made up of line segments

positive numbers

numbers greater than zero

pound (lb)

a customary unit for measuring weight; one _____ is equal to sixteen ounces

prime number

a whole number greater than one with only two factors; one and itself

probability

the chance that a particular outcome will occur; shown as a ratio of the number of ways an event can occur to the total number of possible outcomes

product

the result of multiplying two numbers

protractor

a tool used to draw & measure the size of an angle

pyramid

a solid figure that has triangles for sides and a polygon as its base

quart

a customary unit of capacity equal to 2 pints

quarter

a coin equal to twenty-five cents

quotient

the answer in a division problem

ratio

the comparison of two numbers by division (can be written 9:4, 9/4, or 9 to 4)

rectangle

a parallelogram with 4 right angles

regrouping

the name for the process of exchanging amounts equal in value to rename a number

remainder

the left over amount when a number cannot be divided equally

Roman Numerals

numerals based on the ancient roman system; I=one, V=five, X=ten, etc

round

to increase or decrease a number to the nearest ten, hundred, thousand, etc

ruler

a tool used for linear measurement

scale

numbers placed at fixed distances on a graph to help label the graph

similar figures

figures that have the same shape

simplest form

a fraction that has a numerator and denominator with one as their only common factor

solid

a three-dimensional figure that has length, width, and height

sphere

a solid figure with all points in the set the same distance from the center

square

a rectangle with all sides the same length

subtraction

the process of taking away objects from a group

sum

the answer to an addition problem

symmetry

a figure divided along one line, resulting in two parts that are mirror images of each other

tablespoon (tbsp)

a customary unit of capacity equal to 3 teaspoons

teaspoon (tsp)

a customary unit of capacity equal to 1/3 tablespoon

ton (T)

a customary unit of weight; one ___ is equal to 2000 pounds

triangle

a 3-sided polygon

variable

the name for a letter or symbol that stands for a number or set of numbers

Venn Diagram

a diagram of intersecting circles that shows relationships among sets of things

vertex

the name for the corner in a solid figure where three or more edges meet; the name for the endpoints of two rays that from an angle

volume

the number of cubic units that fit inside a solid figure

week

the amount of time equal to seven days

whole numbers

the set of numbers that start with zero, one, two, three, etc

x-axis

the horizontal number line of a coordinate plane; the 1st number in an ordered pair

y-axis

the vertical number line of a coordinate plane; the 2nd number in an ordered pair

yard

a customary unit for measuring length or distance; one ____ is equal to thirty-six inches or three feet

year

the amount of time equal to 365 or (366) days

cubic unit

a cube 1 unit on each edge used to measure volume

fluid ounce (fl oz)

a customary unit of capacity equal to 2 tablespoons

weight

a measure of how light or how heavy something is

variable

a letter, such as n, that stands for a number in an expression or an equation

turn (rotation)

The change in the position of a figure that moves it around a point

trapezoid

a quadrilateral that has exactly one pair of parallel sides.

transformation

a move such as a slide, flip, or turn that does not change the size or shape of a figure

solid figure (solid)

a figure that hs 3 dimensions and volume

slide (translation)

The change in position of a figure that moves it up, down, or sideways

rhombus

A parallelogram with all sides the same length

range

The difference between the largest value and the smallest value in a data list

polyhedron

a 3-dimensional solid figure with flat surfaces

parallelogram

a quadrilateral with both pairs of opposite sides parallel

edge

a line segment where 2 faces meet in a solid figure

dekameter (dam)

a metric unit of length equal to 10 meters

decimeter (dm)

a metric unit of length; 10 ______s equal 1 meter

certain (event)

an event that will always happen

base of a polygon

the side of a polygon to which the height is perpendicular

milligram (mg)

a metric unit of mass; 1,000 ___ equal 1 gram

midpoint

The point halfway between the endpoints of a line segment

impossible (event)

An event that can never happen

hectometer (hm)

Metric unit of length equl to 100 meters

flip (reflection)

The change in the position of a figure that gives the mirror image of the figure

face

A flat surface of a polyhedron

standard form

the form of a number written with commas separating groups of 3 digits starting from the right; Ex. 3,458

word form

the form of a number written in words using place value;Ex. three thousand, four hundred fifty eight

expanded form

the form of a number that shows the place value of each digit; Ex. 3,000+400+50+8

rounding

a process that tells which multiple of 10; 100; 1,000, etc. a number is closest to

estimate

to give an approximate value rather than an exact answer

minuend

The number being subtracted from

subtrahend

the number being subtracted from the minuend

ray

Part of a line that has one endpoint & extends forever in only one direction

radius

Any line segment that connects the center of a circle to a point on a circle.

point

exact location in space

perpendicular lines

two lines that intersect to form right angles

perimeter

The distance around the outside of any polygon

parallel lines

In a plane, lines that never cross & are the same distance apart

line

a set of points that goes on forever in two directions

line segment

part of a line having two endpoints

angle

two rays that have the same endpoint

central angle

An angle whose vertex is the center of the circle

chord

A line segment that connects two points on the circle

circle

A closed plane figure made up of all the points the same distance from one point called the center

degree

a unit of measure for angles

right angle

an angle whose measure is 90 degrees

straight angle

an angle whose measure is 180 degrees

obtuse angle

an angle whose measure is between 90 and 180 degrees

acute angle

an angle whose measure is less than 90 degrees

right triangle

a triangle in which one angle is a right angle

scalene triangle

a triangle in which no sides have the same length

regular polygon

a polygon which has sides of equal length & angles of equal measure

quadrilateral

a polygon with 4 sides

pentagon

a polygon with 5 sides

obtuse triangle

a triangle in which one angle is an obtuse angle

octagon

a polygon with 8 sides

equilateral triangle

a triangle whose sides all have the same length

hexagon

a polygon with 6 sides

intersecting lines

lines that pass through the same point

isosceles triangle

a triangle with at least 2 sides of the same length

acute triangle

a triangle whose angles are all acute angles

symmetric figure

a figure that can be folded into 2 congruent parts that fit on top of each other

similar figures

figures that have the same shape. They may or may not have the same size.

line of symmetry

the fold line in a symmetric figure

properties of equality

Properties that tell what you can do to both sides of an equation so the sides stay equal

equally likely (outcomes)

Having the same chance of occurring

least common multiple (LCM)

The smallest of the nonzero common multiples of 2 numbers

least common denominator (LCD)

The least common multiple (LCM) of the denominators of 2 fractions.

Identity Property of Addition

The property that states: the sum of any number & zero is that number; n + 0 = n

Identity Property of Multiplication

The property that states: the product of any number & one is that number; n x 1 = n

front-end estimation

A method of estimating by changing numbers to the place-value of their front digit & then finding the sum or difference

formula

an equation that states a rule

underestimate

The result of using smaller numbers to estimate a sum or product. The estimate is smaller than the actual answer.

overestimate

The result of using larger numbers to estimate a sum or product. The estimate is larger than the actual answer.

origin

The point where the 2 axes of the coordinate plane intersect. The ____ is represented by the ordered pair (0, 0).

ordered pair

A pair of numbers used to locate a point on a graph

order of operations

1st: Work (inside parentheses); 2nd: x & division are done from left to right; 3rd: + & - are done from left to right

Distributive Property of Addition

Multiplying a sum by a number is the same as multiplying each number in the sum by the number & adding the products; 3x(10+4)=(3x10)+(3x4)

Distributive Property of Subtraction

Multiplying a difference by a number is the same as multiplying each number in the difference by the number & or subtracting the products; 3x(10-4)=(3x10)-(3x4)

coordinates

The 2 numbers in an ordered pair

Commutative Property of Multiplication

The order of factors can be changed and the product remains the same. 3x5=5x3

Commutative Property of Addition

The order of addends can be changed & the sum remains the same. 3+7=7+3

axis

Either of 2 lines drawn perpendicular to each other in a graph

Associative Property of Multiplication

Factors can be regrouped & the product remains the same. 2x (4x10)=(2x4) x10

Associative Property of Addition

Addends can be regrouped & the sum remains the same. 1+ (3+5)=(1+3) +5

Zero Property of Multiplication

In multiplication, the product of a number and 0 is 0. 8x0=0

greatest common factor (GCF)

The greatest number that is a factor of 2 or more numbers.

equivalent decimals

Decimals which name the same amount. 0.7=0.70

equivalent fractions

Fractions that name the same part of a whole region, length, or set.1/3=2/6

frequency table

A table used to show the number of times something occurs.

improper fraction

A fraction whose numerator is greater than or equal to its denominator.

input/output table

A table of values which shows one output value for each input value.

interval (on a graph)

The difference between adjoining numbers on an axis of a graph.

leaf

The part of a stem-and-leaf plot that shows the ones digit of a number.

line graph

A graph that connects points to show how data change over time.

line plot

A display of responses along a number line with x's recorded above the response to indicate the number of times the response occurred.

bar graph

A graph that uses bars to show data.

common denominator

A number that is the denominator of 2 or more fractions.

common factor

A number that is a factor of 2 or more given numbers.

data

collected information

divisible

A number is ____ by another number if there is no remainder after dividing.

pictograph

A chart using pictures or symbols to compare data that can be counted.

stem

The part of a stem-and-leaf plot that shows all but the last digit of a number.

stem-and-leaf plot

A graph for organizing data that, with 2-digit data, groups together all data with the same number of tens.

event

a collection of one or more outcomes

integers

Whole numbers and their opposites (1, 2, 3; -1, -2, -3)

benchmark fractions

The fractions 1/4, 1/3, 1/2, 2/3, and 3/4.

circle graph

A graph in the shape of a circle that show what part of the whole each portion of the data represents.

double bar graph

A bar graph that displays 2 different shaded bars to compare the 2 sets of data

sample

a representative part of a larger group.

sample space

The set of all possible outcomes.

scale (in a bar graph)

a series of numbers at equal distances along an axis on a graph.

scale (in a drawing)

a ratio that shows the relationship between lengths in a drawing and the actual object.

scale drawing

A drawing using relationships between lengths in the drawing & the actual object.

survey

a way to collect data to answer a question.

table of values

A table used to show how one quantity is related to another.

tree diagram

A diagram used to organize outcomes of an experiment.

pi

The ratio of the circumference of a circle to its diameter.3.141592...; 3.14; 3 1/7

tenth

One part out of 10 equal parts of a whole

hundredth

One part of 100 equal parts of a whole

rational numbers

numbers that can be written as fractions or ratios(integers, terminating & repeating decimals, fractions)

open figure

a figure that does not start and end at the same point

180 degrees

The sum of the measures of the angles of a triangle