Terms  Definitions 

14+14 
28

math 
1+1=2

12 + 10 
22

plane figure 
any 2dimensional figure

pound 
A unit for measuring weight

consecutive 
following one another without interruption

liter (L) 
a metric unit of capacity

range 
In statistics, the difference between the largest and smallest values in a sample.

A period of one hundred years. 
century

proportion 
comparative relation between things or magnitudes as to size, quantity, number, etc.; ratio.

variable 
A letter or other symbol that represents a number or set of numbers in an expression or an equation.

polyhedron 
A solid geometrical figure that has four or more plane faces.

estimate 
an approximate rather than an exact answer

formula 
an equation that shows a relationship between numbers

statistics 
numbers that describe a set of data

integers 
The set of whole numbers and their additive inverses. {...3,2,1,0,1,2,3...}

supplementary angles 
two angles whose measures have a sum of 180 degrees

multiplication sentence 
The numbers that shows the total number in equal sized groups

cylinder 
a space figure with 2 circular faces that are parallel and congruent

Divisible 
Capable of being divided so that the quotient is a whole number and the remainder is zero

sector 
a plane figure bounded by two radii and the included arc of a circle.

Real numbers 
the set of numbers that include rational and irrational numbers

customary system 
a system of measurement used in the U.S.

lower quartile 
The median of the lower half of data.

An angle that forms a square corner and measures 9 
right angle

composite 
A number greater than 0 that has more than two different factors. The number 9 is a composite number because it ahs three factors: 1, 3, and 9.

simplest form 
A fraction with the GCF of the numerator and denominator is 1.

absolute value 
the distance between a number n and 0 on the a number line

Prime Number 
A number that has only two factors: 1 and itself

ADDEND 
any one of a set of numbers to be added

GREATEST COMMON FACTOR  GCF 
The greatest factor that is common to two or more numbers

6+6 
12

decade 
10 years

10 + 3 
13

Fractional Form of 60% 
3/5

array 
Objects in rows and columns

TERM 
Each number in a sequence

ounce (oz) 
a customary unit of mass

product 
The answer to a multiplication problem

composite number 
has more than 2 factors

intersect 
to cross, as lines or wires.

rotation 
a transformation of a figure by turning it about a fixed point

bird's eye view 
Look from the top down.

Constant 
A value or number that never changes.

radius 
a straight line extending from the center of a circle or sphere to the circumference or surface

Diameter 
The distance across a circle through its center. The line segment that includes the center and whose endpoints lie on the circle.

obtuse angle 
an angle greater than a right angle

pyramid 
A solid geometrical figure that has a polygonal base and triangular faces that meet at a common vertex.

less than 
Compares two numbers with the lesser number first

Two lines that intersect at right angles. 
perpendicular lines

add 
An operation that tells the sum of numbers, or how many there are when the sets are joined.

algebraic expression 
an expression that is written using one or more variables.

bar graph 
a graph that uses bars to compare data

tally marks 
lines in groups of five to make counting easier

Scalene Triangle 
A type of triangle with no congruent sides

base 
the number in a power that is being multiplied

OPPOSITE NUMBERS 
A number that is the same distance from 0 as a rational number, but in the opposite direction

equal parts 
split a group of things into two or more sets that are the same

power 
product with a repeated factor ( 6 x 6 x 6 x 6)

DOUBLE LINE GRAPH 
When 2 line graphs are on the same set of axes.

10+10 
20

1st Quadrant 
positive, positive(+,+)

quadrilateral 
a 4sided polygon

equivalent ratios 
Ratios that are equal.

binomial 
A polynomial with two terms

quandrant 
[1]One quarter of the circumference of a circle;[2]On a coordinate graph, one of the four regions created by the intersection of the xaxis and the yaxis.

equivalent decimals 
2 decimals that are equal

sphere 
a threedimesional figure with a curved surface that is shaped like a ball

negative integers 
integers(whole numbers) less than zero 1,2,3,4,5,......

probability 
The study of likelihood or chance that describes the chances of an event occurring.

cube 
a space figure with 6 congruent faces, 8 vertices, and 12 equal edges

square 
A quadrilateral with two pairs of parallel sides, four equal sides and four right angles

Leaf 
A ones digit in a stemandleaf plot

Fundamental Counting Principle 
Rule to determine possible outcomes when you multiply the number of possibilities in each group together.

polygon 
a closed plane figure made with line segments

composite number 
A number exactly divisible by at least one whole number other than itself and 1.

equally likely 
outcomes having the same chance of happening

Line 
A straight path in a plane, extending in both directions with no endpoints

exponent 
the number that shows how many times the base is multiplied by itself

circle 
a closed plane curve consisting of all points at a given distance from a point within it called the center. Equation: x2 y2 r2.

radius 
A line segment from the center of a circle to any point on its circumference.

mode 
the value in a data set that occurs most often

standard form 
a number written with one digit for each place value

Mean 
The average of a set of numbers, found by dividing the sum of the set by the number of addends

variable: 
a letter used to represent one or more numbers.

order of operations 
To find the answer to an equation, follow this 4 step process: 1)do all operations with parentheses first; 2)simplify all numbers with exponents; 3)multiply and divide in order from left to right; 4) add and subtract in order from left to right.

straight angle 
the angle formed by two radii of a circle that are drawn to the extremities of an arc equal to one half of the circle; an angle of 180Â°.

Identity Property of Addition 
The property that states that when you add zero to any number, the sum is that number

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