Understanding Absolute Value and Simplifying Signs

The video tutorial explains the absolute value method, focusing on simplifying operations involving parentheses and signs. It provides step-by-step examples to demonstrate how to handle expressions with multiple signs and how to determine the final answer using absolute values. The tutorial also covers the importance of ignoring unnecessary parentheses and emphasizes the process of simplifying signs to make solving problems easier.

What is the first step in simplifying an expression with parentheses when there are no operations inside?

• Multiply the numbers inside the parentheses

• Add the numbers inside the parentheses

• Divide the numbers inside the parentheses

• Ignore the parentheses

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CCSS.7.NS.A.1B

When simplifying signs, what does a plus followed by a minus become?

• Plus

• Double minus

• Minus

• Zero

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CCSS.7.NS.A.1B

What happens to a minus followed by another minus when simplifying signs?

• It stays a minus

• It becomes a double minus

• It becomes a plus

• It becomes zero

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CCSS.7.NS.A.1D

In the expression -8 + (-7), what is the simplified form?

• -8 - 7

• 8 + 7

• -8 + 7

• 8 - 7

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CCSS.6.NS.C.7C

How do you determine the absolute value of a negative number?

• Count the spaces from zero

• Add the number to zero

• Multiply the number by zero

• Subtract the number from zero

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

When both original numbers have the same sign, what do you do with their absolute values?

• Add them

• Multiply them

• Subtract them

• Divide them

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CCSS.6.NS.C.7C

What is the absolute value of -7?

• -7

• 14

• 7

• 0

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CCSS.7.NS.A.1D

In the expression -9 - (-6), what is the simplified form?

• 9 + 6

• -9 + 6

• -9 - 6

• 9 - 6

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CCSS.7.NS.A.1B

What is the final step when solving an expression with different signs using absolute values?

• Subtract the absolute values

• Use the sign of the smaller original number

• Use the sign of the larger original number

• Add the absolute values

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

If the original numbers have different signs, what operation is performed on their absolute values?

• Multiplication

• Subtraction

• Addition

• Division

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CCSS.7.NS.A.2B

CCSS.7.NS.A.2A