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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Math Word Problems - GED, PSAT, SAT, ACT, GRE Preparation
Order of Operations: P E M D A S or B O D M A S

When a numerical expression involves two or more operations, there is a specific order in which these operations must be performed. There are two ways of remembering the order in which mathematical operations have to be performed.

Method 1: P E M D A S

Letters in PEMDAS stand for:
P - Parenthesis
E - Exponents
MD - Multiplication or Division from left to right
AS - Addition or Subtraction from left to right

The following phrase helps students remember the PEMDAS rule further:
Please Excuse (My Dear) (Aunt Sally).

Method 2: B O D M A S
The letters in the word BODMAS stand for various operations.

B - Stands for Bracket.
O - Stands for "OF" or "Orders" (ie Powers and Square Roots, etc.)
D - Stands for Division.
M - Stands for Multiplication.
A - Stands for Addition.
S - Stands for Subtraction

  • Example 1:
    8 - 6 + 2 = 2 + 2 = 4

    40 - 2(2+3)
    Correct : 40 - 2(5) = 40 - 10 = 30
    Incorrect: 40 - 2(5) = 38(5) = 190
    When there are two or more parenthesis, grouping symbols, you perform the inner most grouping symbol first.

  • Example 2:
    3 + 4 x 5 = 3 + 20 = 23
    Note: 3 + 4 x 5 = 7 x 5 = 35 is wrong answer.

  • Example 3:
    2 + 2[ 1 + (5 - 1)2]
    =2 + 2[ 1 + (4)2]
    =2 + 2[ 1 + 8]
    =2 + 2[ 9]
    =2 + 18
    =20


Directions: Answer the following questions. Also write at least 5 examples of your own.
Q 1: Solve the problem.

4 6/60
2 5/80
3 5/84

Q 2: Solve the problem.

6/22
7/11
6/11

Q 3: Solve the problem.

2 2/3
1 2/3
2 1/3

Q 4: Solve the problem.

21
22
23

Q 5: Solve the problem.

31
32
30

Q 6: Solve the problem.

2
0
1

Q 7: Solve the problem.

2 1/4
1 2/3
1 1/2

Q 8: Solve the problem.

12
13
15

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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