Understanding Integer Addition

The video tutorial explains how to add a negative and a positive integer by using formal rules for integer addition. It covers finding absolute values, subtracting the smaller from the larger, and determining the sign of the sum based on the larger absolute value. The tutorial also demonstrates the process using a number line for better understanding.

What is the expected sign of the sum when adding negative sixty-three and positive one hundred forty-three?

• Positive

• Undefined

• Negative

• Zero

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

• Divide the numbers

• Find the absolute values

• Add the numbers directly

• Multiply the numbers

How do you find the absolute value of a number?

• By subtracting one from the number

• By adding one to the number

• By taking the number's distance from zero

• By squaring the number

What operation is performed after finding the absolute values of the integers?

• Addition

• Multiplication

• Subtraction

• Division

How is the sign of the sum determined when adding integers with different signs?

• By the sign of the first number

• By the sign of the larger absolute value

• By the sign of the second number

• By the sign of the smaller absolute value

Why does the sum of negative sixty-three and positive one hundred forty-three make sense as positive?

• Because both numbers are positive

• Because the positive number is larger

• Because both numbers are negative

• Because the negative number is larger

On a number line, how do you represent adding a positive number to a negative number?

• Move right for both numbers

• Move left for both numbers

• Move right for the negative and left for the positive

• Move left for the negative and right for the positive

What is the final result of adding negative sixty-three and positive one hundred forty-three?

• Positive sixty-three

• Positive eighty

• Zero

• Negative eighty