Adding and Subtracting Integers Review

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

How do you add two integers with the same sign?

Back

When adding two integers with the same sign, add their absolute values and keep the common sign. For example, -4 + -3 = -7.

Front

How do you add two integers with different signs?

Back

When adding two integers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the integer with the larger absolute value. For example, 5 + -3 = 2.

Front

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

Back

-10

Front

What is the result of 11 - (-5)?

Back

16

Front

What is the result of -9 + 5?

Back

-4

Front

What is the result of 12 - 6?

Back

6

Front

How do you rewrite a subtraction problem as an addition problem?

Back

1) Keep the first number the same. 2) Change the subtraction sign to addition. 3) Change the second number to its opposite.

Front

What is the difference between two temperatures: 4 degrees and -7 degrees?

Back

11 degrees.

Front

If a diver is at -22 feet and dives down 7 more feet, what is his new depth?

Back

-29 feet.