Order of Operations and Basic Arithmetic

The video tutorial explains how to evaluate a mathematical expression using the order of operations. It begins by identifying the absence of parentheses, then simplifies exponents by calculating 3 to the power of 3 as 27. Next, it performs multiplication and division from left to right, dividing 27 by 9 to get 3 and multiplying 2 by 27 to get 54. Finally, it adds and subtracts from left to right, resulting in a simplified expression of 62.

What is the first step in evaluating an expression using the order of operations?

• Simplify expressions with exponents

• Multiply and divide from left to right

• Add and subtract from left to right

• Simplify within parentheses

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CCSS.6.EE.A.1

What is the result of simplifying 3 raised to the power of 3?

• 9

• 27

• 81

• 3

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

In the expression 5 plus 27 divided by 9, what is the result of the division?

• 3

• 27

• 9

• 5

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CCSS.4.NBT.B.5

What is the result of multiplying 2 by 27?

• 54

• 52

• 29

• 25

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CCSS.7.NS.A.3

What is the final result of the expression after performing all operations?

• 54

• 27

• 62

• 8

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CCSS.7.NS.A.3