the knowt for Mr Jeffery's algebra test
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