Basic Arithmetic and Operations

The video tutorial explains how to evaluate and simplify a mathematical expression by following the order of operations. It begins with simplifying inside parentheses, then moves on to exponents, multiplication, and subtraction. The tutorial emphasizes the importance of handling negative numbers and absolute values correctly. The example concludes with a logical check of the result, reinforcing the step-by-step approach to solving complex expressions.

What is the first step in simplifying an expression according to the order of operations?

• Perform subtraction

• Perform multiplication

• Simplify inside the innermost parentheses

• Simplify the exponents

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CCSS.6.EE.A.1

What is the result of squaring positive 5?

• 25

• 10

• 15

• 20

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

Which operation takes priority: multiplication or subtraction?

• They have equal priority

• Neither

• Multiplication

• Subtraction

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CCSS.4.NBT.B.5

What is the product of 4 and 25?

• 50

• 75

• 100

• 125

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CCSS.7.NS.A.1C

How can subtracting 100 be expressed in terms of addition?

• Subtracting negative 100

• Adding zero

• Adding 100

• Adding negative 100

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CCSS.7.NS.A.1C

What is the sum of 12 and negative 100?

• 112

• -112

• -88

• 88

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CCSS.6.NS.C.7C

What is the absolute value of negative 100?

• -100

• 50

• 100

• 0

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CCSS.7.NS.A.1A

If you gain $12 but lose $100, what is your net result?

• Gain of $112

• Gain of $88

• Loss of $88

• Loss of $112

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CCSS.6.NS.C.6A

What is the opposite of negative 88?

• 88

• 0

• 176

• -88

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CCSS.7.NS.A.3

What is the key to solving complex expressions according to the video?

• Using a calculator

• Following the order of operations step by step

• Guessing the result

• Ignoring the order of operations

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CCSS.7.NS.A.3