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Glossary of MATH Vocabulary

 

A

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Above - In extended space over and not touching; at a higher level than

Actual - Exist in act or fact; real

Add - Increase in amount or number

After - Behind in position or place; later in time than

Amount - The total or sum

Afternoon - The time from noon or lunchtime to evening

All done - Finished

Altogether - In total

Around - On every side of

Ascending - Arranged from smallest to largest

Attribute - A characteristic like size, shape, or color

 

B

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Balance - To make equal or to be equal

Bar Graph - A graph using parallel bars of varying lengths to demonstrate an amount or quantity

Before - In front of

Behind - At the back of

Big - Of considerable size  

Bye bye - An expression used when departing another's company  

 

C

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Calculate - To determine the amount or number of something

Certain - Inevitable; will definitely happen

Characteristics/Attributes - Qualities or features of someone or something

Circle - A 2-dimensional shape made by drawing a curve that is always the same distance from the center

Classify - To arrange a group of people or things items in classes or categories according to shared charateristics and providing a name to the grouping

Clock - Measures time

Closed - To move from an open position

Clue - A piece of evidence or information used to solve a problem

Collect -  To bring together in a group; gather

Compare - To esimate, measure or note the similarity or dissimilarity between two or more things

Conclusion - The end or close; the final decision

Cone - A solid shape with a circular base and a curved surface that tapers to a point

Corresponding - Similar in function and form

Count - To identify the amount of something by number

Crescent - The shape of the visible part of the moon when it is less than half full; a shape that is a single curve that is broad in the center and tapers to a point at each end

Cube - A solid shape that has 6 square faces all equal in size, 8 vertices, and 12 equal edges

Cylinder - A solid shape with one curved surface and two identical bases

 

D

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Data - Facts and statistics collected together for reference or analysis

Descending order - Arranged from largest to smallest

Diagonal - In a slanted direction

Diamond - A rhombus where all 4 sides are equal

Difference - The distance between two numbers (subtraction)

Different - Not similar in size, shape, color or other characteristic

Dime - A coin worth 10 cents (a tenth of a dollar)

Direction - The course or path on which something or someone is moving

Distance - The length between two points

Divide - To separate or to be separated into parts

Down - To direct or move to a lower place or position

 

E

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Edge - The side of a polygon where two faces of a solid figure meet

Eighth - One of eight equal parts of the shape

Equal shares - To divide a whole fairly and equally; fair distribution

Equals - To be the same in number or amount

Estimate - To form an approximate judgment or opinion regarding the amount, worth, size, weight, etc., of; to calculate approximately

Even - Number that is divisible by 2; numbers that end in 0, 2, 4, 6 & 8

Evening - The period of time at the end of the day, usually from about 6 p.m. to bedtime

 

F

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Face - A flat surface of a 3-dimensional shape

Far - Over a large expanse of space or time

Fewest - A small number of, opposite of the term "most"

First - An ordinal number; number one; the beginning one.

Flip - To turn over

Fourth - One of four equal parts of the shape

Fraction - Any part of a group

Front of - To locate before or ahead of

 

G

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Get ready - To prepare for an event or action

Go - To move from place or point to another

Graph - A diagram that exhibits a relationship between two sets of numbers as a set of points having coordinates determined by the relationship

Greatest amount - Largest amount; the one with the most

Greater than - More than; shows relationship between numbers

Groups - A number of things or people that are located close together or are classed together

Growing pattern - A pattern that shows an increasing or decreasing sequence and is used to help children analyze mathematical changes

 

H

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Half - One of two equal parts of the shape

Heart - A shape that is comprised of two circles touching along a horizontal axis and the union of a V shape centered at the bottom of the circles (♥)

Heavier - To have greater weight

Height - The measurement from top to bottom. Usually the terms tall (taller, tallest) and short (shorter, shortest) are used when referring to height

Hello - An expression used as a greeting when meeting or seeing someone

Hexagon - A shape with six straight sides and six corners

Horizontal - Parallel to the plane of the horizon

How many - The total or sum

Hour - A period of time equal to a twenty-fourth part of a day and night and divided into 60 minutes

 

I

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Identify - Establish or indicate who or what (someone or something) is

Impossible - No chance; will not happen

In common - To share equally

Inch - A unit for measuring length

Increase - To get larger in size or number

Inside - Interior, in something

 

L

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Label - A descriptive term

Least - To have the smallest quantity or number

Length - The longest extent of anything as measured from end to end

Length of time - The extent or duration

Less - Not as many as

Less than - A value that is smaller in number

Lighter - Having less weight than

Line of Symmetry -  To divide an object or design in half so that both sides are the same

Little - Small in size

Longer than - To have an extended duration of time comparatively

Long, Longer, Longest - Comparison words for length

 

M

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Measure - Use of standard units to find out size or quantity in regard to length, breadth, height, area, mass, weight, volume, capacity, temperature, and time

Middle - A point dividing a line segment or group in half

Minute - A period of time equal to sixty seconds or a sixtieth of an hour

More than - A value that is higher or greater in number

More than, Less than, The same - Words used to compare quantity

Morning - The period of time from sunrise to noon

Most - To have the greatest quantity or number

 

N

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Next to - Beside, along

Near - Close to

Nickel - A coin worth 5 cents (a fifth of a dollar)

Night - The period of darkness in each twenty-four hours; the time from sunset to sunrise

Nonstandard - Other than standard

Number - Used to describe quantities or values

Number line - A line marked with numbers.

Numeral - The symbol used to represent a number or "how many"

Numerical order - A number sequence that is arranged together in a systematic form

 

O

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Octagon - A polygon with 8 sides.  A stop sign is a octagon

Odd - A number that is not evenly divisible by 2; numbers that end in 1, 3, 5, 7 and 9

On - To position at the upper surface of, touching from above

Open - To move from a closed position

Ordinal numbers - Numbers that shows place or position (e.g., 1st, 2nd, 3rd, etc.)

Oval - A stretched out circle that is shaped like an egg

Over - To extend directly upward from

 

P

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Pattern - Something that repeats more than once

Penny - One cent

Pentagon - A polygon with 5 sides

Plus - The addition of

Point - An exact position or location

Polygon - A plane shape having 3 or more straight sides

Positional words - Words allow you to follow and give directions and to use language precisely

Possible - A chance that something might happen

Predict - To guess what will happen next

Prism - A solid 3-dimensional shape with two identical bases and with sides that are parallelograms

Probability - The chance that something is going to happen

 

Q

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Quadrilateral - A polygon with 4 sides

Quarter - A coin worth 25 cents (a quarter of a dollar)

 

R

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Recognition of numerals - To identify numbers by word of symbol

Record - To write down or indicate

Rectangle -A 4-sided flat shape with straight sides where all interior angles are right angles (90°). Also opposite sides are parallel and of equal length.
Example: A square is a special type of rectangle.

Relative positioning - Where one object is in relation to another object

Remain - Amount left over

Repeating - To do or make again and again

Represents - To show or stand for

Round - To be shaped like a circle

 

S

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Same - Identical in kind or quantity

Second - An ordinal number; the position after first; a unit of tie

Sequence - An ordered set of numbers, shapes, or other mathematical objects arranged according to a rule

Shape - A form or outline

Short, Shorter, Shortest - Comparison words for length

Shorter than - To have less time or length comparatively

Similar - To have like attributes

Skip count - To count forwards or backwards in multiples or intervals of a given number

Slide - To move an item in any direction without rotating it

Small - Decreased in size

Sort - To seperate items according to a given attribute

Sphere - A ball; a 3-dimensional solid that is perfectly round

Square - A shape with four straight sides that are the same length or size and four corners

Square-based pyramid - A pyramid with four triangular faces and one square face

Standard - Something considered by an authority or by general consent a basis of comparison (for example, rulers, cup measurers, scale)

Star - A pointy shape that has four or more pointed parts coming out from a center at equal distances

Subtract - To take one quantity away from another

Survey - A method of collecting data by asking people questions

Symmetry - When two sides of the whole are exactly like one another

 

T

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Take away - To remove something

Tall, Taller, Tallest - To use to compare stature/height

Tally - To use marks to record counting; to count by 5s to get the total

Tetrahedron - A pyramid with four faces that are all triangles

Three-dimensional - A shape having 3 dimensions (length, width, and height)

Through - To move in one side and out of the other side

Time - The measured or measurable period during which an action, process, or condition exists or continues

Timeline - A graphic representation of the passage of time as a line

Total - The complete amount of items counted

Travel - To move from one place to another

Triangle - A pointy shape with three sides and three corners

Turn - To rotate around a point    

Two-dimensional - A shape having 2 dimensions (width and length)

 

U

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Under - In a lower level than

Up - Toward the sky or higher position

 

V

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Vertical - In an up-down position; upright

Vertice - The corner; the point where the edges of a solid figure meet

 

W

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Below are definitions of math terms as used in MATH lessons.

Weigh - To measure according to weight

Whole - All the parts; all, everything, total amount

Width - The extent from side to side or breadth

 

 

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