65 terms

Decimal Place Value

Is a positional system of notation in which position of a number with respect to a point determines its valuem

Mixed Numbers

A numbers consisting of an integer and proper fraction

Equivalent Fractions

Are different fractions that name the same numbers

Prime Numbers

Is a whole number greater than 1, whose only two number-whole factors are 1 and itself

Composite Numbers

A whole number that can be divided evenly by numbers other than 1 or itself

Even and Odd Numbers

Odd is an integer which is nota multiple of two

Even is an integer which is "evenly divisible" by two

Even is an integer which is "evenly divisible" by two

Fraction: Add

Make sure the bottom denominators are the same

Add the numerators, put the answer over the denominator

Simplify the fraction (if needed)

Add the numerators, put the answer over the denominator

Simplify the fraction (if needed)

Fraction: Subtract

Make sure the bottom denominators are the same

Subtract the numerators, put the answer over the same denominator

Simplify the fraction (if needed)

Subtract the numerators, put the answer over the same denominator

Simplify the fraction (if needed)

Area: Square Units

Is a square whose sides have length of 1

Perimeter: Units

A quantity chosen as a standard in terms of which other quantities may be expressed

Volume

The amount of space that a substance or object occupies, or that is enclosed with a container, especially when great

Height

A line segment in a polygon that is perpendicular to the base

Width

The measurement or extent of something from side to side

Length

The measurement or extent of something from end to end

Kilometer

A metric unit of measurement equal to 1000 meters

Meter

The fundamental of unit of length in the metric system, equal to 100 centimeters

Centimeter

A metric unit of length, equal to one hundredth of a meter

Grams

Mass units for density

Liter

is the base unit for volume

Milliliter

Liquid volume units

Chord

The distance from one point on the circle to another point on the circle.

Diameter

the length of a straight line passing through the center of a circle and connecting two points on the circumference

Radius

The distance from the center of a circle to the outside edge of the circle.

Circumference

the distance around a circle; C = 2**pi**r; C = pi * d

Acute Angle

an angle less than 90 degrees but more than 0 degrees

Obtuse Angle

an angle between 90 and 180 degrees

Equilateral Triangle

A triangle with all sides congruent.

Scalene Triangle

all sides have different length

Isosceles Triangle

at least two sides are of equal length and at least two angles are of equal measure

Rectangle

A parallelogram with four right angles

Square

four sides of equal length; each angle is a right angle

Parallelogram

a quadrilateral whose opposite sides are both parallel and equal in length

Rhombus

A parallelogram with four congruent sides

Trapezoid

a quadrilateral with exactly one pair of parallel sides

Combine

(P1V1)/T1=(P2V2)/T2

Sample Space

the set of all possible outcomes

Line Graph

A visual representation of data change over time.

Stem-and-Leaf Plot

A method of organizing data into categories by splitting the data into "leaves," which are the ones place digit of the data values and the "stems," which are comprised of the first digit (or digit) of each data value.

Average

mean

Prism

A polyhedron that has two parallel, congruent bases in the shape of polygons.

Mean

Add all numbers, divide by number of numbers.

Median

The middle number from small to large, choose median.

Mode

value in the list that appears most often

Range

The range of the numbers in a group of data is the difference between the greatest number G in the data and the least number L in the data; that is, G-L

Patterns

reoccurring trends or shapes in the data

Variable Expression

an expression that contains at least one variable

Identity Property

there is a unique real number 0 such that for every real number a, a + 0 = a and 0 + a = a

Addition

P(A or B) = P(A) + P(B) - P(A and B

Multiplication

P(A∩B)= P(A)×P(B|A) is used when we are interested in the probability of two events occurring simultaneously

Commutative Property

a+b=b+

Associative Propety

(a+b)+c=a+(b+c

Distributive Property

a(b+c)=ab+ac

Number Line

Every line is a set of points that can be placed onto a 1-1 correspondence with real numbers

Equation

a mathematical sentence that states that two expressions name the same number

Equality

same dimensions and each element is equal to its corresponding element

Ratio

A ratio is a statement of how two numbers compare. It is a comparison of the size of one number to the size of another number.

Absolute Value

The distance between a number and 0 on the number line

Fraction: Multiplication

To multiply the fraction by a whole number,it is necessary to multiply by a whole number, and to leave without modifications a denominator

Fraction Division

To divide fraction into whole number, it is necessary to multiply denominator by a whole number, and to leave without modifications a numerator.

Percent

a ratio usually out of 100 {ex. 33% 90%}

Equivalent Fractions

Two or more fractions that simplify into the same ratio or fraction

Exponential Function

×²

Whole Numbers

set of natural numbers and zero

Integers

Positive and negative counting number

Rational Numbers

Ratio of two integers ex. Fractions, Terminating decimals, Repeating decimal