Font size
WorksheetsEquations: Inverse Operations & Vocab
Total questions: 67
Worksheet time: 11hrs 10mins
How should you show your work to isolate the variable and solve the equation?
15 = m - 5
The variable, k, is being divided by 11. How should you show your work to isolate the variable?
Divide both sides by 11
Multiply both sides by 11.
Add 11 to both sides.
Subtract 11 to both sides.
-6x=-24
What is the inverse operation of adding?
Adding
Subtracting
Multiplying
Dividing
What is the inverse operation of multiplying?
Adding
Subtracting
Multiplying
Dividing
An equation is...
a problem that contains at least one variable and at least one operation; no equal sign
a mathematical sentence showing two expressions are equal.
The solution for a variable
The value that results in a true sentence
a symbol for an unknown value; usually a letter (such as a, x, or y) is the symbol used
constant
variable
coefficient
term
a number on its own
constant
coefficient
operator
term
a number that is multiplied by a variable
expression
constant
coefficient
variable
a symbol (+, x, -, or ÷) representing a mathematical operation
term
operator
expression
constant
a single number, a variable, or numbers and/or variables multiplied together
(EX: 4 , abc , 5w)
expression
variable
constant
term
a term or a combination of terms and operators
(EX: 2 , 2x , 2x + 7)
expression
constant
variable
operator
a mathematical sentence stating that two expressions are equal
term
coefficient
equation
variable
variable
constant
coefficient
expression
variable
coefficient
constant
term
constant
expression
variable
coefficient
term
constant
variable
operator
variable
expression
coefficient
operator
Choose ALL that apply from the answers below.
12
ab
99
4
Choose ALL that apply from the answers below.
12ab
99a
6z
4
Choose ALL that apply from the list below.
12
z
a
99
4y - 5 = 31
4y - 5 = 31
4y - 5 = 31
4y - 5 = 31
Expression or Equation: x + 6 = 21
Expression
Equation
Expression or Equation: x - 4
Expression
Equation
Expression or Equation: 67 + x
Expression
Equation
Expression or Equation: 17 = x + 2
Expression
Equation
Identify the variable(s) in the following equation: 60 + x = 100
60
x
=
100
Identify the variable(s) in the following equation: x - 50 = y + 20
x
-50
y
20
Identify the terms in the following equation:
x + 5 = 15
x
5
-5
15
-15
Identify the terms in the following equation:
x - 7 = 21
x
7
-7
21
-21
Identify the terms in the following equation:
100 = x - 55
100
=
x
55
-55
Determine which statement is false based on the equation:
k + 18 = 25
The terms are k, 18, and 25.
k is not a variable.
k + 18 is an expression.
25 is not an equation.
12 + x = 30 is an example of an
expression
equation
exponent
even number
In the equation 12 = m - 5 "m" is called a ______________
variable
exponent
sum
difference
Match the example shown with the correct vocabulary word.
7x + 4 = 42
Expression
Equation
7x - 6
Expression
Equation
In math, this basically means opposite
inverse
equation
expression
constant
In 8r + 3 , the CONSTANT is ___
8
r
3
In 8r − 3 , the VARIABLE is ___
8
r
-
What is the inverse of addition? (+)
Subtraction (−)
Division (÷)
Multiplication (×)
What is the inverse of subtraction? (−)
Addition (+)
Division (÷)
Multiplication (×)
What is the inverse of multiplication? (×)
Addition (+)
Division (÷)
Multiplication (×)
What is the inverse of division? (÷)
Addition (+)
Subtraction (−)
Multiplication (×)
Inverse Operations are operations which undo each other.
True
False
