Adding and Subtracting Integers Skill Check

Front

What is the result of -15 + 8?

Back

-7

Front

What is the result of -12 + 7?

Back

-5

Front

What is the result of 9 + (-12)?

Back

-3

Front

What is the result of -8 + 20?

Back

12

Front

What is the result of 28 + (-30)?

Back

-2

Front

Define an integer.

Back

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

Front

What is the rule for adding two integers with different signs?

Back

Subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

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

Back

Add their absolute values and keep the common sign.

Front

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

Back

-8

Front

What is the result of 15 + (-10)?

Back

5