Adding and Subtracting Integers

Front

-20 + 7

Back

-13

Front

-9 + (-9) is 0. Do you agree? Explain.

Back

No. You need to add the two integers because they have the same sign. So the correct answer is -18.

Front

-7 - 6

Back

-13

Front

What is the definition of Subtracting Integers?

Back

Adding the Opposite.

Front

-8 - 21

Back

-29

Front

What is the result of -5 + 3?

Back

-2

Front

What is the result of -10 - 4?

Back

-14

Front

What is the result of 6 + (-2)?

Back

4

Front

What is the result of -15 + 5?

Back

-10

Front

What is the result of -3 - (-7)?

Back

4