Vocabulary
tells the rule for which calculations to do before others. First, do the work inside the parentheses and brackets. Then do multiplication and division in order from left to right.
order of operations
is a mathematical phrase that contains numbers and at least on operation
numerical expression
()
Parenthesis
3+7x6/3-4
13
A square symbol used in mathematical expressions and equations to group numbers or variables together
Brackets
a mathematical phrase involving a variable or variables, numbers, and operations
algebraic expression
X8
exponent
36-5+(16-11)
36
curved mathematical symbols used in expressions and equations to group numbers or variables together are
Parentheses
the ____ of 5 and 7 is 12
sum
*
multiplication
3/(9-6)+4 X 2
9
a mathematical sentence that uses an equal sign to show that two expressions have the same value is called
equation
to find the ________ between 16 and 4 you subtract
difference
/
division
(10/2)-3+1*(41-7)+13-3*6
31
a letter such as x, that represents a number in an expression or an equation
unknow
the answer to a division problem is the
quotient
+ -
addition and subtraction
(18/3)+9*18/2-(52+7)-3*8
4