Understanding Subtraction and Addition of Integers

The video tutorial explains how to perform subtraction by converting it into an addition problem. It uses the example of 71 minus 23, demonstrating the process of borrowing in subtraction and then showing how subtraction can be expressed as adding the opposite. The tutorial covers the rules for adding integers with different signs, emphasizing the use of absolute values to determine the result. Finally, it illustrates the process on a number line, reinforcing the concept visually.

What is the result of subtracting 23 from 71?

• 48

• 54

• 44

• 50

How can subtraction be expressed as an addition problem?

• By adding the same number

• By adding the opposite of the number

• By subtracting twice

• By multiplying the number

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

• Find the absolute values of the integers

• Multiply the integers

• Find the sum of the integers

• Subtract the integers

What is the absolute value of -23?

• 46

• 0

• 23

• -23

Which integer's sign determines the sign of the sum when adding integers with different signs?

• The first integer

• The integer with the larger absolute value

• The second integer

• The integer with the smaller absolute value

What is the absolute value of 71?

• 23

• 71

• 0

• -71

How is the sum of 71 and -23 represented on a number line?

• Move right 23 units, then left 71 units

• Move left 23 units, then right 71 units

• Move right 71 units, then left 23 units

• Move left 71 units, then right 23 units

What is the final position on the number line after adding 71 and -23?

• 23

• 0

• 48

• 71

What is the result of 71 plus negative 23?

• 0

• 94

• 48

• 23

What is the sum of 71 and -23 using integer addition rules?

• 0

• 23

• 94

• 48