Adding and Subtracting Integers-Mixed review-1

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

What does it mean to add integers?

Back

Adding integers involves combining their values. If both integers are positive, the result is positive. If both are negative, the result is negative. If one is positive and one is negative, subtract the smaller absolute value from the larger absolute value and take the sign of the integer with the larger absolute value.

Front

What does it mean to subtract integers?

Back

Subtracting integers is the same as adding the opposite. For example, to subtract -3 from 5, you can add 5 + 3.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, the absolute value of -8 is 8.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero but in the opposite direction. For example, the opposite of -21 is 21.

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Back

8

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Back

9

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Back

-72

Front

How do you find the sum of a positive and a negative integer?

Back

To find the sum, subtract the absolute values and take the sign of the integer with the larger absolute value.

Front

What is the rule for multiplying two negative integers?

Back