Understanding Integer Operations

The video tutorial explains how to find the difference between two negative numbers by converting the subtraction into an addition problem. It demonstrates the process of using absolute values to determine the sign of the result and provides a step-by-step calculation. The tutorial also includes a visualization on a number line to confirm the result, emphasizing the importance of understanding integer operations.

What is the equivalent operation of subtracting a negative number?

• Adding a positive number

• Dividing by a positive number

• Subtracting a positive number

• Multiplying by a negative number

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CCSS.7.NS.A.1C

What is the first step in adding integers with different signs?

• Divide the integers

• Find the absolute values of the integers

• Multiply the integers

• Find the sum of the integers

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CCSS.6.NS.C.7C

What is the significance of absolute value in integer operations?

• It represents the distance from zero

• It is always negative

• It determines the direction on the number line

• It is used to multiply integers

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CCSS.7.NS.A.1C

How do you determine the sign of the sum when adding integers with different signs?

• Use the sign of the smaller integer

• Use the sign of the larger integer

• Always make it negative

• Always make it positive

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CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the result of subtracting 28 from 57?

• 85

• 29

• 57

• 28

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CCSS.7.NS.A.1C

What is the final result of negative 57 plus 28?

• Negative 29

• Positive 29

• Positive 85

• Negative 85

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CCSS.7.NS.A.1B

How is the sum of negative 57 and positive 28 represented on a number line?

• Move left 28 units from 0

• Move right 57 units from 0

• Move left 57 units and then right 28 units

• Move right 57 units and then left 28 units

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CCSS.7.NS.A.1B

What does the number line visualization confirm about the operation?

• The sum is zero

• The sum is negative

• The sum is positive

• The sum is undefined

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CCSS.7.NS.A.1B