10/13-10/15 7 math vocab

a letter that takes the place of an unknown value

a mathematical phrase that contains variables, constants and operations

a mathematical statement in which two expressions are set equal to one another

a mathematical relation in which two quantities or expressions are greater than or less than each other

to combine all like terms in the expression

substitute the given value for each variable and solve using order of operations

to find the solution or answer to a problem; isolating the variable in an equation

factoring out the greatest common factor; opposite of the distributive property

to expand an expression by using the distributive property

parts of an expression separated by + or - signs