Mathematics Key Terms 1

Question 1

absolute difference

Answer 1

The absolute value of the difference of the two numbers

Question 2

algebraic equation

Answer 2

A mathematical sentence that includes one or more variables.

Question 3

arc

Answer 3

Part of the circumference of a circle.

Question 4

axis

Answer 4

a reference line for measurement of coordinates

Question 5

bimodal

Answer 5

describes a distribution of data with two clear peaks

Question 6

bivariate

Answer 6

containing two variables

Question 7

Cartesian coordinates

Answer 7

An ordered pair or ordered triple used to specify a point on a plane or space.

Question 8

Chart

Answer 8

information on a table or graph

Question 9

circumference

Answer 9

the distance around a circle

C=2TTxR

Question 10

coefficient

Answer 10

the number being multiplied by a variable.

Question 11

combine like terms

Answer 11

simplifying an expression by using the distributive property

Question 12

common denominator

Answer 12

In a set of two or more fractions an integer that is divisible by each denominator. That is, a multiple of all of the denominators.

Question 13

constant proportionality

Answer 13

The constant ratio between two quantities

Question 14

contextual

Answer 14

related to surrounding content

Question 15

conversion factor

Answer 15

the number used to multiply or divide to convert from one value to another

Question 16

correlation

Answer 16

the way two variables change together also known as covariation

Question 17

cubic units

Answer 17

Units used to measure volume. One cubic unit is the volume of a cube with sides that measure 1 unit.

Question 18

data trend

Answer 18

General tendency of numbers in a set

Question 19

decimal

Answer 19

a number expressed based on its place value

Question 20

decimal place value

Answer 20

Powers of ten by position away from the decimal point. Going left: units, tens, hundreds, thousands, etc. Going right: tenths, hundredths, thousandths, etc.

Question 21

Denominator

Answer 21

The bottom integer of a fraction

Question 22

dependent variable

Answer 22

A variable that depends on at least one other variable

Question 23

dimensional analysis

Answer 23

applying the technique of multiplication by 1 with rates to convert from one unit to another.

Question 24

direct variation

Answer 24

When two variables increase or decrease at the same time

Question 25

division

Answer 25

separation of numbers into parts, the inverse of multiplication.

Question 26

equation

Answer 26

a mathematical statement that indicates the equality of two expressions

Question 27

erroneous

Answer 27

incorrect

Question 28

estimation

Answer 28

a rough calculation of numbers

Question 29

extraneous

Answer 29

irrelevant

Question 30

fraction

Answer 30

a number expressed as a numerator and denominator

Question 31

front-end

Answer 31

an estimation method that focuses on the first digits of numbers when adding or subtracting and solving a simpler problem

Question 32

graph

Answer 32

a drawing that represents relationships between numbers or data

Question 33

independent variable

Answer 33

a variable that determines the value of another variable

Question 34

inequality symbols

Answer 34

Less than (<), greater than (>), less than or equal to(<=), and greater than or equal to >=)

Question 35

integers

Answer 35

Whole numbers and their opposites. .. -3, -2, -1, 0, 1, 2, 3…