Adding and Subtracting Integers

Front

What is the result of 9 - 11?

Back

-2

Front

What is the result of 28 - (-15)?

Back

43

Front

A diver was swimming at a depth of 28 feet below sea level. He then dove 35 feet further. What is his new depth relative to sea level?

Back

-63

Front

What is the result of -113 - (-58)?

Back

-55

Front

What is the result of -30 + 5(3 + 8) - 45?

Back

-20

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the rule for adding two integers with the same sign?

Back

When adding two integers with the same sign, add their absolute values and keep the sign.

Front

What is the rule for adding 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.

Front

What is the result of -5 + 3?

Back

-2