Math Definitions

Question 1

A number whose only factors are itself and 1

Answer 1

Prime Number

Question 2

The distance of a number from zero; the positive value of a number

Answer 2

Absolute Value

Question 3

A positive angle measuring less than 90 degrees.

Answer 3

Acute Angle

Question 4

A triangle each of whose angles measures less than 90 degrees.

Answer 4

Acute Triangle

Question 5

The number zero is called _________ because the sum of zero and any number is that number.

Answer 5

Additive identity

Question 6

Two angles that share both a side and a vertex.

Answer 6

Adjacent angles

Question 7

The union of two rays with a common endpoint, called the vertex.

Answer 7

Angle

Question 8

A portion of the circumference of a circle

Answer 8

Arc

Question 9

The number of square units that covers a shape or figure

Answer 9

Area

Question 10

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

Answer 10

associative property of addition

Question 11

(a x b) x c = a x (b x c)

Answer 11

associative property of multiplication

Question 12

A number that represents the characteristics of a data set

Answer 12

average

Question 13

A line that passes through a figure in such a way that the part of the figure on one side of the line is a mirror reflection of the part on the other side of the line

Answer 13

Axis of symmetry

Question 14

The bottom of a plane figure or three-dimensional figure

Answer 14

Base

Question 15

To divide into two congruent parts

Answer 15

Bisect

Question 16

A type of data plot that displays the quartiles and range of a data set

Answer 16

Box and whisker plot

Question 17

A system in which points on a plane are identified by an ordered pair of numbers, representing the distances to two or three perpendicular axes

Answer 17

Cartesian coordinates

Question 18

An angle that has its vertex at the center of a circle

Answer 18

Central angle

Question 19

A line segment that connects two points on a curve

Answer 19

Chord

Question 20

The set of points in a plane that are a fixed distance from a given point, called the center

Answer 20

Circle

Question 21

The distance around a circle

Answer 21

Circumference

Question 22

A constant that multiplies a variable

Answer 22

coefficient

Question 23

Points are _________ if they lie on the same line

Answer 23

collinear