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# Mathematic

### Vocabulary

TermDefinition
variable a symbol that stands for one or more numbers.
algebraic expression a mathematical phrase that uses numbers, variables, and operation symbols.
simplify a numerical expression, replace it with its simplest name.
evaluate an algebraic expression, replace each variable with a number and then simplify.
order of operation a mathematicians established standard.
opposite numbers that are the same distance from zero on a number line but in opposite direction.
integer the set of whole numbers and their opposites.
absolute value a number's distance from zero on the number line.
additive inverse two numbers whose the sum is zero.
inverse operation a operation that undo each other.
solution an equation is any value that makes the equation true.
isolate to find the solution.
divisible the number that can divide the second number and the remainder is zero..
prime number a whole number greater than one with exactly two factors, one and the number itself.
composite number a whole number greater than one with more than two factors.
prime factorization a composite number written as a product of prime numbers.
greatest common factor two or more numbers is the greatest number that is a factor of all of the numbers.
rational number any number written as a quotient of two integers where the denominator is not 0
relatively prime a fraction A/B is in simplest form when A and B are relatively prime, which means they only have 1 as a common factor.
terminating decimal if the division results in a decimal that stops.
repeating decimal if the division results in a decimal that repeats the same digit of group of digits forever.
least common multiple two or more numbers is the least multiple that is common to all of the numbers.
least common denominator the LCM of the denominators.
equation a mathematical sentence with an equal sign.
factor an integer that divides another integer with a remainder of 0.
zero pair a pair of tiles with a sum of zero.
Created by: juntthanat