Subtracting Integers Flashcard Review

Front

What is the additive inverse of a number?

Back

The additive inverse of a number is the value that, when added to the original number, results in zero. For example, the additive inverse of 5 is -5.

Front

How do you convert a subtraction problem into an addition problem using additive inverse?

Back

To convert a subtraction problem into an addition problem, keep the first term, change the subtraction sign to an addition sign, and take the opposite sign of the second term.

Front

What is the result of -22 - (-7)?

Back

-22 + 7 = -15.

Front

What does 0 - (-7) equal?

Back

0 - (-7) = 0 + 7 = 7.

Front

What is the result of 19 - (-19)?

Back

19 - (-19) = 19 + 19 = 38.

Front

What is the result of -7 - 2?

Back

-7 - 2 = -9.

Front

True or False: The additive inverse of -3 is 3.

Back

True.

Front

What is the result of -5 + 3?

Back

-5 + 3 = -2.

Front

How do you find the difference using a number line?

Back

To find the difference using a number line, start at the first number and move to the right for positive numbers and to the left for negative numbers.

Front

What is the result of -10 - (-4)?

Back

-10 - (-4) = -10 + 4 = -6.