Module 5 Vocabulary

 for addition or identity property of zero~ adding zero won't change a number.

to evaluate an expression means to find a numerical value for it, to 'work it out'.

a number which multiplies a variable.

a mathematical phrase combining numbers and/or variables.

a whole number that divides two or more other numbers exactly.

area of mathematics where variables are represented by letters and symbols in expressions and equations

the bottom line of a plane shape or the bottom face of a solid.

a mathematical phrase containing only numbersor numbers and operator symbols.

the number of times a base number is multiplied by itself, indicated by a small number to its upper-right

a term that has a fixed value and does not contain a variable.

in addition and multiplication, numbers may beadded or multiplied together in any order.

 in addition and multiplication, no matter how the numbers are grouped, the answer will always be the same.

 for multiplication or identity property of one ~ multiplying by 1 won't change a number.

 multiplying a number is the same as multiplying its addends by the number, then adding the products.

 the highest or greatest common factor that will divide two or more other numbers exactly.

a letter or symbol representing a varying quantity, for example, n in 10 + n.M

expressions that simplify to an equal value, e.g.3(x + y) is equivalent to 3x + 3y.

are exactly the same except for their coefficients; can be combined to make a single term.

 one part of an algebraic expression which may be a number, a variable or a product of both.

a small number placed to the upper right of a base number which shows how many copies of the base number are multiplied

the order in which mathematical operations should be done.

the smallest number that is the multiple oftwo or more other numbers.