Understanding Integer Subtraction

What is the result of changing the subtraction of a positive number from a negative number into an addition problem?

• You add the numbers directly.

• You ignore the positive number.

• You change the positive number to negative.

• You change the subtraction to addition and the positive number to its opposite.

When subtracting a negative number from another negative number, what is the first step according to the rule?

• Ignore the signs and subtract the numbers.

• Add the numbers directly.

• Change the subtraction to addition and the second number to its opposite.

• Change both numbers to positive.

How do you determine the sign of the result when subtracting integers with different signs?

• Use the sign of the number with the greater absolute value.

• Always use a positive sign.

• Use the sign of the second number.

• Use the sign of the first number.

What is the result of subtracting -5 from 7?

• 12

• 2

• -2

• -12

In the challenge problem, what is the result of subtracting -1, -7, and -20?

• Positive 6

• Positive 26

• Negative 6

• Negative 26