Adding and Subtracting Integers Practice

(-6) - (9)

• -15

• 15

• -3

• 3

(0) - (6) + (8)

• 2

• -2

• 14

• -14

(-8) - (-21)

• 13

• -13

• 29

• -29

When "Adding the Opposite": A negative symbol and a negative symbol next to each other gives you....

• a positive number

• a negative number

• it depends.

When "Adding the Opposite": A negative symbol and a positive symbol next to each other gives you....

• a positive number

• a negative number

• it depends.

When "Adding the Opposite": A positive symbol and a positive symbol next to each other gives you....

• a positive number

• a negative number

• it depends.

Roman solved this problem: (-4) - (-5) and got -9. What did Roman do wrong?

• Roman did nothing wrong, he is correct.

• Roman changed the subtraction to addition but did not change -5 to its opposite, he should have gotten 1.

• Roman ignored the signs and just added the numbers together, he should have gotten positive 9.

• Roman changed the subtraction to addition but did not change -5 to its opposite, he should have gotten -1.

Michelle solved this problem: (-3) + (5) and got -8. What did Michelle do wrong?

• Michelle did nothing wrong, she is correct.

• Michelle added the numbers together, she should have gotten positive 8

• Michelle did not pay attention to the negative symbol with the three and should have gotten positive 2.

• Michelle did not pay attention to the negative symbol with the three and should have gotten -2.

-9 + (-5)

• -14

• 14

• -4

-2 + 4 

• -2

• 2

• 0

• -4