Adding, Subtracting, Multiplying and Dividing Integers

Front

Solve: - 2(-7) =

Back

14

Front

Back

-3

Front

What is the rule when adding integers?

Back

If the signs are the same, add and keep the sign. If the signs are different, subtract and keep the sign of the larger whole number.

Front

What sign would your answer have if you multiply a negative by a negative? For example: -9(-9) =

Back

Positive

Front

The temperature was -5 degrees Fahrenheit in the morning, but by lunch time the temperature had increased 15 degrees. Which of the equations below would you use to find the temperature at lunch time?

Back

-5 + 15 =

Front

What is the result of -3 + 5?

Back

2

Front

What is the result of -8 - 4?

Back

-12

Front

What is the result of 6 - (-3)?

Back

9

Front

What is the result of -4 * 3?

Back

-12

Front

What is the result of -7 * -2?

Back

14