All GED Math Resources
Example Questions
Example Question #1 :Complex Operations
Evaluate:
Work the operations in this order: Square first, multiply second, add third.
Example Question #1 :Complex Operations
Solve:
When solving this problem, you need to rememberorder of operations, which tells us which operation has to be done first.
When followingorder of operations, you complete operations in the following order:
1. Parenthesis - Complete any operation in parenthesis first
2. Exponents - Solve exponents second
3. Multiplication and Division - Multiply or Divide (whichever one comes first from left to right)
4. Addition and Subtraction - Add or Subtract (whichever one comes first from left to right)
Keepingorder of operationsin mind, the steps to solveare below
Example Question #3 :Order Of Operations
Define an operationon the real numbers as follows:
Evaluate
Undefined
Substitute 6 forandfor:
例子问题# 4:Order Of Operations
Define an operationon the real numbers as follows:
Evaluate
Undefined
Undefined
Substitute 7 forand -for:
Any fraction with a zero denominator - such as this one - is an undefined quantity.
Example Question #2 :Order Of Operations
Solve:
This problem involves order of operations.
Use the acronym for the correct order:
PEMDAS-Parenthesis, Exponents, Multiply, Divide, Add, Subtract
(Please Excuse My Dear Aunt Sally)
Start by grouping what needs to be solved first.
The answer is 14.
Example Question #1 :Order Of Operations
In order to calculate
what step must you take first?
Adding five and eight
Calculating the square of eight
Dividing twenty by five
Subtracting twenty from fifty
Calculating the square of eight
By the order of operations, in the absence of grouping symbols, exponents must be carried out before any other operations. The correct choice is that eight must be squared.
Example Question #1 :Order Of Operations
Evaluatefor.
Do not use a calculator.
Substitute 0.5 forand follow the order of operations:
Example Question #2 :Order Of Operations
Evaluatefor. Do NOT use a calculator.
Substituteforin the expression and folllow the order of operations:
Example Question #3 :Order Of Operations
Evaluatefor
Do not use a calculator.
Substitute 7 forin the expression and evaluate, paying attention to the order of operations:
Example Question #3 :Order Of Operations
Evaluate:
Do not use a calculator.
In the order of operations, additions and subtractions are carried out from left to right:
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