Show:
Expressions
Order of operations
Equations
Variable
PEMDAS
100
What are the 3 parts of Algebraic Expressions?
constant, operation, and variabble.
100
What is the word that can help you remember the order operations?
PEMDAS
100
What is the first step?
write down the problem
100
what is a variable represented by?
a letter
100
what does the D stand for?
division
200
what is the constant?
the part of the expression that is always the same.
200
What numbers do you answer first? 5+(8-3)+9=
parentthesis
200
What is the third step?
check your answer by substituting the variable with your answer
200
what is the variable in this expression? d-6
d
200
what does the E stand for?
exponents
300
what is a constant represented by?
a number
300
what are the 2 groups in the order of operations that you go from left to right on?
addition and subtraction. and division and multiplacation.
300
true or false? what you do to one side you do to the other.
true
300
what is the variable? g-5+g
g
300
what operation do you do first?
parentthesis
400
What is a variable represented by?
a letter
400
What are the 2 last things you do in the order of operations?
addition and subtraction.
400
what is the definition to equation?
equations contain expressions and are equal to an answer
400
what is the variable? r-4/r+r-r
r
400
What do all the letters mean?
Parentthesis, exponents, multiplacation, division, addition, subtraction.
500
Which one is the operation? 3+5
+
500
What is the definition of order of operations?
The mathematical rules that determine the correct order for solving any sequence of math operations. Powers and roots are solved before multiplication and division, which in turn are solved before addition and subtraction
500
What step is this? use inverse operations to insulate the variable.
the second step
500
what is the variable? t-5+t/t-t
t
500
What comes first multiplacation or division?
Which ever one comes first in the problem