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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 3 - Mathematics
2.11 Order of Operations Involving +, -, and * (WIZ Math)

  • When performing arithmetic operations there can be only one correct answer.
  • In order to avoid this kind of confusion, Mathematicians have devised a standard order of operations for calculations involving more than one arithmetic operation.
Method:
  1. Perform any calculations inside parentheses.
  2. Perform all multiplications and divisions, working from left to right.
  3. Lastly, perform all additions and subtractions, working from left to right.
Example:
Evaluate the following arithmetic expression: 4 + 5 x 3
Solution:
Solution 1 Solution 2
4 + 5 x 3
= 9 x 3
= 27
4 + 5 x 3
= 4 + 15
= 19
Incorrect Correct
Answer: 19


Directions: Evaluate the following arithmetic expressions. Also write at least ten examples of your own using operations: addition, subtraction, multiplication and division.
Q 1: Find the answer:
10 * 7 * 2
Answer:

Q 2: Find the answer:
10 - 5 - 4
Answer:

Q 3: Find the answer:
10 * 5 + 1
Answer:

Q 4: Find the answer:
10 + 10 + 3
Answer:

Q 5: Find the answer:
12 + 7 + 2
Answer:

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