#### A

**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

**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

**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 characteristics 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

**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

**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

**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

**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

**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

**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

**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

**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

**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

**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

**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

**Quadrilateral –** A polygon with 4 sides

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

#### R

**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

**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

**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

**Under –** In a lower level than

**Up –** Toward the sky or higher position

#### V

**Vertical –** In an up-down position; upright

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

#### W

**Weigh – **To measure according to weight

**Whole –** All the parts; all, everything, total amount

**Width**** –** The extent from side to side or breadth