Question | Answer |
base | when a number is raised to a power, the number that is used as a factor |
exponent | a number that indicates how many times the base is used as a factor. |
power | a number produced by raising a base to an exponent |
scientific notation | a method of writing very large or very small numbers using powers of 10 |
order of operations | a rule for evaluating expressions |
associative property | for all real numbers, the sum is the same, regardless of their grouping. |
commutative property | two or more numbers can be added in any order without changing the sum. |
identity property | the sum of zero and any # is the #: the product of 1 and any number is the #. |
algebraic expression | an expression that contains at least one variable |
constant | a value that does not change |
evaluate | to find the value of a numerical or algebraic expression. |
variable | a symbol used to represent a quantity that can change |
coefficient | the number that is multiplied by the variable in an algebraic expression |
term | the parts of an expression that are added or subtracted. |
equation | a mathematical sentence stating that two expressions are equivalent. |
solution | a value or values that make an equation or inequality true |
inverse operations | operations that undo each other. |
absolute value | the distance of a number from zero on a number line, shown by | |. |
integer | the set of whole numbers and their opposites, including zero. |
opposite | two numbers that are an equal distance from zero on a number line. |
composite number | a number greater than 1 that has more than two whole-number factors |
prime factorization | a number written as the product of its prime factors |
prime number | a whole number greater than 1 that has exactly two factors: itself and 1. |
GCF | the largest common factor of two or more numbers. |
LCM | the least number, other than zero, that is a multiple of two or more given numbers. |
multiple | the product of any number and any nonzero whole number is a multiple of that number |
equivalent fractions | fractions that name the same amount or part |
improper fractions | a fraction in which the numerator is greater than or equal to the denominator. |
mixed number | a number made up of a whole number that is not zero, and a fraction. |
repeating decimal | a decimal in which one or more digits repeat infinitely. |