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Order of Operations

Order of Operations. Mrs. Hulea July 20, 2010. Correct Order. There is a specific order you should use when solving a math problem that has multiple operations. Rule 1:   First perform any calculations inside parentheses. Rule 2: Do exponents.

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Order of Operations

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  1. Order of Operations Mrs. Hulea July 20, 2010

  2. Correct Order • There is a specific order you should use when solving a math problem that has multiple operations. • Rule 1:   First perform any calculations inside parentheses. • Rule 2: Do exponents. • Rule 3:   Next perform all multiplications and divisions, working from left to right. • Rule 4:   Lastly, perform all additions and subtractions, working from left to right.

  3. Operations Basic Math Operations • Addition • Subtraction • Multiplication • Division • Powers and Exponentiation

  4. Order of Operationslink to website Before • There is not a specific order to follow when doing math operations. After • There is a specific order to follow when doing math operations.

  5. 9 + 3 - 6 ÷ 2 = • Find the answer to the problem doing any order of operations you choose. • How many different answers did you find? • Find the answer using the Order of Operations. • How many answers did you find?

  6. Why is it important that everyone uses the same order of operations?

  7. 4 + 5 * 3 - 1 Calculate 4 + 5 * 3 - 1 26 18 20 14

  8. Sorry - Try again!

  9. Congratulations! You are correct!

  10. Calculate 12 - 10 ÷ 2 * 4 + 5 1 -13 8 -3

  11. Sorry - Try again!

  12. Congratulations! You are correct!

  13. Assignment • Put a proper heading on your paper. • Calculate the problem using the Order of Operations. • Show your work. • Turn it in before you leave class. 4 + 6 - 8 ÷ 2 * 2 = _______

  14. Credit Slide http://www.mathgoodies.com/lessons/vol7/order_operations.html http://mathforum.org/dr/math/faq/faq.order.operations.html

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