pictionary

coordinate plane

. a plane spanned by the x-axis and y-axis in which the coordinates of a point are its distances from two intersecting perpendicular axes also called Cartesian Plane, Cartesian Coordinate System. The position of a point in the coordinate plane is determined by its distance from the axes.

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.

rhoumbus

A 4-sided flat shape with straight sides where all sides have equal length. Also opposite sides are parallel and opposite angles are equal. It is a type of parallelogram.

parallelogram

A 4-sided flat shape with straight sides where opposite sides are parallel. example Squares, Rectangles and Rhombuses are all Parallelograms

dot plot

A Dot Plot, also called a dot chart or strip plot, is a type of simple histogram-like chart used in statistics for relatively small data sets where values fall into a number of discrete bins A dot plot is a graphical display of data using dots.

boxplot

A box plot is a graphical rendition of statistical data based on the minimum, first quartile, median, third quartile, and maximum.

Coefficient

A coefficient is a number used to multiply a variable. example 6z means 6 times z, and "z" is a variable, so 6 is a coefficient.

Cubic units

A cubic unit is a measure of volume. It is equal to the volume of a cube, which is 1 unit tall, 1 unit wide and 1 unit long.

Decimal

A decimal is a fraction whose denominator is a power of ten and whose numerator is expressed by figures placed to the right of a decimal point. solution set

re-occurring/repeating

A decimal number that has digits that repeat forever. Examples: 1/3 = 0.333... ( the 3 repeats forever)

Denominator

A denominator the number below the line in a common fraction solution set

Dependent variable

A dependent variable is a variable whose value depends upon independent variable s. example The dependent variable is what is being measured in an experiment or evaluated in a mathematical equation. .

Fraction

A fraction is a number between zero and 1 and is expressed as one number over another number like this: The number on top is called the numerator and the number on the bottom is called the denominator.

Line segment

A line segment is a piece, or part, of a line in geometry. A line segment is represented by end points on each end of the line segment. A line in geometry is represented by a line with arrows at each end. For example, if your end points were A and B, then you would write your line segment AB with a line over the top.

irrational number

A number that cannot be expressed as a ratio between two integers and is not an imaginary number. If written in decimal notation, an irrational number would have an infinite number of digits to the right of the decimal point, without repetition. Pi and the square root of 2 (√2) are irrational numbers.

ordered pair

A pair of numbers used to locate a point on a coordinate plane is called an ordered pair. An ordered pair is written in the form (x, y) where x is the x-coordinate and y is the y-coordinate.

Net

A pattern that you can cut and fold to make a model of a solid shape. refer to picture for example

Percent

A percentage, or percent, is a part of a whole. example example, 50% of 40% is: ​50⁄100 × ​40⁄100 = 0.50 × 0.40 = 0.20 = ​20⁄100 = 20%.

Perfect square

A perfect square is a number that has an whole number square root. For example, 25 is a perfect square, because is 5, a whole number.

Polygon

A polygon is any 2-dimensional shape formed with straight lines. Triangles, quadrilaterals, pentagons, and hexagons are all examples of polygons. The name tells you how many sides the shape has. For example, a triangle has three sides, and a quadrilateral has four sides.

Base of a prism

A prism is a polyhedron, with two parallel faces called bases. The other faces are always parallelograms. The prism is named by the shape of its base.

Direct proportion /variation

A relationship between two variables in which one is a constant multiple of the other. In particular, when one variable changes the other changes in proportion to the first. Example Equation: y = 4x Variable y is directly proportional to x. Doubling x causes y to double. Tripling x causes y to triple.

right triangle

A right triangle or right-angled triangle is a triangle in which one angle is a right angle. The relation between the sides and angles of a right triangle is the basis for trigonometry. The side opposite the right angle is called the hypotenuse.

rectangular prism

A solid (3-dimensional) object which has six faces that are rectangles. It has the same cross-section along a length, which makes it a prism.

prism

A solid object with two identical ends and flat sides. The shape of the ends give the prism a name, such as "triangular prism" • The cross section is the same all along its length

statistical question

A statistical question is one that can be answered by collecting data and where there will be variability in that data. This is different from a question that anticipates a deterministic answer. For example, "How many minutes do 6th grade students typically spend on homework each week?

Variable

A symbol for a number we don't know yet. It is usually a letter like x or y. Example: in x + 2 = 6, x is the variable.

outlier

A value that "lies outside" (is much smaller or larger than) most of the other values in a set of data. For example in the scores 25,29,3,32,85,33,27,28 both 3 and 85 are "outliers".

Independent variable

A variable in an equation that may have its value freely chosen without considering values of any other variable. For equations such as y = 3x - 2, the independent variable is x. The variable y is not independent since it depends on the number chosen for x.

Expression

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

Algebraic expression

An algebraic expression is a mathematical phrase that can contain ordinary numbers, variables (like x or y) and operators (like add,subtract,multiply, and divide) example algebraic expressions: a + 1.

Equation

An equation is a mathematical statement that two things are equal. It consists of two expressions, one on each side of an 'equals' sign. For example: 12 = 7 + 5

Area of a square

Area is measured in square units such as square inches, square feet or square meters. To find the area of a rectangle, multiply the length by the width. The formula is: A = L * W where A is the area, L is the length, W is the width, and * means multiply. A square is a rectangle with 4 equal sides.

Categorical data

Categorical data is when numbers are collected in groups or categories. when steps are in order

Quantitative data

Data That Can Be Measured. Quantitative data is also data that you can measure.

Decompose

Decompose is the process of separating numbers into their components to divide a number into smaller parts

Reciprocal

Every number has a reciprocal except 0. The reciprocal is shown as 1/x, or x-1. When we multiply a number by its reciprocal we get 1 Example: 3 times 1/3 equals 1. Also called the "Multiplicative Inverse"

Rational numbers

In mathematics, a rational number is any number that can be expressed as the quotient or fraction example 1.5 is a rational number because 1.5 = 3/2 (3 and 2 are both integers)

Inverse proportion

Inverse proportion is when one value increases as the other value decreases. example of inversely proportional quantities is the lengths and widths of rectangles with the same area.

isolate

Isolating the Variable - Using inverse operations to undo addition, subtraction, multiplication, and division to get the variable alone.

measures of spread

Measures of spread describe how similar or varied the set of observed values are for a particular variable Measures of spread include the range, quartiles and the interquartile range, variance and standard deviation.

Numerical data

Numerical data is data that is measurable, such as time, height, weight, amount, You can help yourself identify numerical data by seeing if you can average or order the data in either ascending or descending order.

pi

Pi is a number - approximately 3.142. It is the circumference of any circle divided by its diameter refer to picture.

Proportion

Proportion says that two ratios (or fractions) are equal. Example: 1/3 = 2/6. See: Equivalent Fractions. Proportions.

Qualitative data

Qualitative data is information that describes something. Examples: • Your friends' favorite holiday destination • The most common given names in your town • How people describe the smell of a new perfume

Substitute

Substitution - A strategy for solving systems of equations that include solving for one variable and using that solution to find the other variable.

like terms

Terms are separated by addition or subtraction in an expression. For example, x + 5x can be combined to equal 6x. However, when you look at the trinomial: 2xy + 3x - 7y,

Y-coordinate

The Y Coordinate is always written second in an ordered pair of coordinates (x,y) such as (12,5). In this example, the value "5" is the Y Coordinate. Also called "Ordinate"

Area of a rectangle

The area of a polygon is the number of square units inside the polygon. Area is 2-dimensional: it has a length and a width. Area is measured in square units such as square inches, square feet or square meters

statistics

The branch of mathematics dealing with numerical data A particular problem of statistics is estimating true values of parameters from a sample of data.

Geometry

The definition of geometry is a branch of math that focuses on the measurement and relationship of lines, angles, surfaces, solids and points. An example of geometry is the calculation of a triangle's angles.

range

The difference between the lowest and highest values. In {4, 6, 9, 3, 7} the lowest value is 3, and the highest is 9, so the range is 9 − 3 = 6. Range can also mean all the output values of a function.

distance

The distance between two points is the length of a straight line segment that links them. The distance of a point from a line is the length of the shortest line segment from the point to the line.

Exponet

The exponent of a number says how many times to use that number in a multiplication. It is written as a small number to the right and above the base number. example: 82 = 8 × 8 = 64. (The exponent "2" says to use the 8 two times in a multiplication.)

x-coordinate

The horizontal value in a pair of coordinates: how far along the point is. The X Coordinate is always written first in an ordered pair of coordinates

IQR

The interquartile range (IQR) is a measure of variability, based on dividing a data set into quartiles. Quartiles divide a rank-ordered data set into four equal parts. The values that divide each part are called the first, second, and third quartiles; and they are denoted by Q1, Q2, and Q3, respectively.

mean

The mean is the average of the numbers: a calculated "central" value of a set of numbers. To calculate: Just add up all the numbers, then divide by how many numbers there are

Min. value

The minimum value of a function is the place where the graph has a vertex at its lowest point. the lowest a value can get

Mode

The mode of a set of numbers is the one that occurs most often. in the set {1,5,7,5,9}, the mode is 5 because there are 2 fives and only one of each of the others.

subtrahend

The number that is to be subtracted. The second number in a subtraction. minuend − subtrahend = difference. Example: in 8 − 3 = 5, 3 is the subtrahend. See: Minuend.

origin

The origin is the point where they intersect. This point has the coordinates 0,0 and is usually labelled with the letter O

perimeter

The perimeter of a figure is the total distance around the edge of the figure. For example, a square whose sides are 6 inches long has a perimeter of 6 x 4 = 24 inches because it has 4 sides 6 inches long.

Difference

The result of subtracting one number from another. How much one number differs from another. Example: The difference between 8 and 3 is 5. Subtraction.

Area

The size of a surface. The amount of space inside the boundary of a flat (2-dimensional) object such as a triangle or circle. These shapes all have the same area of 9. Help me find how many square meters.

Numerator

The top number in a fraction. Shows how many parts we have. example: The bottom number is the Denominator and shows how many equal parts the item is divided into.

Area of a triangle

To find the area of a triangle, multiply the base by the height, and then divide by 2. The division by 2 comes from the fact that a parallelogram can be divided into 2 triangles. For example, in the diagram to the left, the area of each triangle is equal to one-half the area of the parallelogram

volume

Volume is the measure of the amount of space inside of a solid figure, like a cube, ball, cylinder or pyramid. It's units are always "cubic", that is, the number of little element cubes that fit inside the figure.

Constant

a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number. Example: in "x + 5 = 9", 5 and 9 are constants. If it is not a constant it is called a variable. See: Variable. Algebra - Definitions.

Cube

a cube is a number multiplied by itself three times. The cube of 2 is 8 (2 x 2 x 2).

histogram

a diagram consisting of rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval. example refer to picture

bar graph

a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles of equal width. refer to picture

variability

a measure of the spread of a data set measures of variability includes the range, variance, and standard deviation

square

a plane figure with four equal straight sides and four right angles or the product of a number multiplied by itself. refer to picture

triangle

a plane figure with three straight sides and three angles. example b*h*w the formula for a triangle

polyhedron

a polyhedron is simply a three-dimensional solid which consists of a collection of polygons, usually joined at their edges. An example of a convex polyhedron is illustrated above.

pyramid

a pyramid is a polyhedron formed by connecting a polygonal base and a point, called the apex. Each base edge and apex form a triangle, called a lateral face. It is a conic solid with polygonal base.

trapezoid

a quadrilateral with only one pair of parallel sides refer to picture

Minuend

a quantity or number from which another is to be subtracted. example: in 8 − 3 = 5, 8 is the minuend.

Apothem

a regular polygon is a polygon with n sides, all having equal length Irregular polygons have no center point, so they do not have an apothem.

Term

a term is either a single number or variable, or numbers and variables multiplied together. Terms are separated by + or − signs.

triangular prism

a triangular prism is a three-sided prism it is a polyhedron made of a triangular base, a translated copy, and 3 faces joining corresponding sides

square units

a unit square is a square whose sides have length 1. Often, "the" unit square refers specifically to the square in the Cartesian plane with corners at the four points (0, 0), (1, 0), (0, 1), and (1, 1).

Inverse operation

an inverse operation is an operation that undoes what was done by the previous operation. example The inverse of addition is subtraction and vice versa. The inverse of multiplication is division and vice versa.

Isosceles

an isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having two and only two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case.

Constant of proportionality

constant value of the ratio of two proportional quantities x and y example usually written y = kx, where k is the factor of proportionality. .

data

data is facts and statistics collected together for reference or analysis. when people ask questions and collect information about it

Left skewed

data that is skewed to the left refer to picture

median

denoting or relating to a value or quantity lying at the midpoint of a frequency distribution of observed values or quantities, such that there is an equal probability of falling above or below it. refer to picture

Equilateral triangle

equilateral triangle is a triangle in which all three sides are equal. that is, all three internal angles are also congruent to each other and are each 60°.

scalene

having unequal sides and angle said of a triangle having the axis not perpendicular to the base; oblique: said of a cone

measures of center

is a value that attempts to describe a set of data by identifying the central position of the data set measures of central tendency called the mean, median and mode.

Quadrant

magnitude is the size of a mathematical object, a property which determines whether the object is larger or smaller than other objects of the same kind. More formally, an object's magnitude is the displayed result of an ordering (or ranking) of the class of objects to which it belongs

magnitude

magnitude is the size of a mathematical object, a property which determines whether the object is larger or smaller than other objects of the same kind. an object's magnitude is the displayed result of an ordering (or ranking) of the class of objects to which it belongs.

cartesian coordinates

numbers that indicate the location of a point relative to a fixed reference point (the origin), being its shortest distances from two fixed axes (or three planes defined by three fixed axes) that intersect at right angles at the origin.

right skewed

positive skew is when the long tail is on the positive side of the peak, and some people say it is "skewed to the right". The mean is on the right of the peak value.

Quantity

quantity is the amount or number of a material or immaterial thing not usually estimated by spatial measurement. example What is the quantity of rice? You could say "a handful", or you could even count them "4262"

Reduce

reduction refers to the rewriting of an expression into a simpler form. For example, the process of rewriting a fraction into one with the smallest whole-number denominator possible

Sum/total

the aggregate of two or more numbers, magnitudes, quantities, or particulars as determined by or as if by the mathematical process of addition example :The sum of 6 and 8 is 14. 2.

x-AXIS

the axis, usually horizontal, along which the abscissa is measured and from which the ordinate is measured. 2. in a three-dimensional Cartesian coordinate system the axis along which values of x are measured and at which both y and z equal zero.

vertex

the highest point; the top or apex example the point/top of a pyramid

Max. value

the largest and smallest value of the function, either within a given range the highest something can go

surface area

the outside part or uppermost layer of something (often used when describing its texture, form, or extent). example 4*3 5*6

frequency

the rate at which something occurs or is repeated over a particular period of time or in a given sample. example example, the alternating current in a wall outlet in the U.S. and Canada is 60Hz. Electromagnetic radiation is measured in kiloHertz

y-axis

the secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates.