Algebra I

the knowt for Mr Jeffery's algebra test

least common denominator (LCD)

the smallest number shared between 2+ numbers

subtraction

the opposite of addition

least common denominator (LCD)

the smallest number shared between 2+ numbers

subtraction

the opposite of addition

multiplication

the process of adding a number a certain amount of times

multiplicand

number being multiplied

multiplier

the number doing the multiplying

product

the answer to a multiplication problem

factors

numbers being multiplied together to create a product

if the factors have the same sign what will the answer be?

a positive number

if the factors have different signs what will the product be

a negative number

inverse fraction

when you flip the numerator and denominator

how do you simplify a fraction?

divide the numerator and the denominator by their greatest common factor (GCF)

how do you turn an improper fraction into a mixed number

simplify the improper fraction then divide the numerator by the denominator

commutative property of addition

the order that the numbers are added in doesnt matter

associative property of addition

the way that the numbers are placed in the parentheses doesnt affect the sum

identity property of addition

when you add 0 to a number it stays the same

commutative property of multiplication

the order that the numbers are multiplied in doesnt affect the product

the associative property of multiplication

the way that the numbers are placed in the parentheses doesnt affect the product

the identity property of multiplication

when you multiply a number by 1 it stays the same

the zero property of multiplication

when you multiply 0 to a number it becomes 0

distributive property of multiplication

the number outside the parentheses needs to distribute to the numbers inside the parentheses

inverse property of multiplication

when you multiply a fraction by its inverse the answer will always be 1