Round 2: 8th Grade Math Vocabulary

Question 1

a value that does not change

Accepted Answer

constant

Question 2

sampling error that causes one option to seem better or to show favor to one over another

Accepted Answer

bias

Question 3

having the same shape and size

Accepted Answer

congruent

Question 4

the distance of a number from zero on a number line

Accepted Answer

absolute value

Question 5

number that cannot be written as a fraction

Accepted Answer

irrational number

Question 6

opposite in nature

Accepted Answer

inverse

Question 7

a fee paid to a person for making a sale

Accepted Answer

commission

Question 8

to study closely or to study to determine a relationship

Accepted Answer

analyze

Question 9

to find the value of a numerical or algebraic expression

Accepted Answer

evaluate

Question 10

mathematical phrase that contains operations, numbers, and/or variables

Accepted Answer

expression

Question 11

the number of square units needed to cover a given surface

Accepted Answer

area

Question 12

mathematical sentence that shows two expressions are equivalent

Accepted Answer

equation

Question 13

the steepness of a line

Accepted Answer

slope

Question 14

the answer when subtracting numbers

Accepted Answer

difference

Question 15

the number that is multiplied by the variable in an algebraic expression

Accepted Answer

coefficient

Questions 15