Integers Final Exam

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

What is the absolute value of an integer?

Back

The absolute value of an integer is its distance from zero on the number line, regardless of direction. For example, |-5| = 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, -3 + -5 = -8.

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 take the sign of the integer with the larger absolute value. For example, 7 + (-3) = 4.

Front

What is the result of subtracting a negative integer from a positive integer?

Back

Subtracting a negative integer is the same as adding its absolute value. For example, 5 - (-3) = 5 + 3 = 8.

Front

What is the sum of -9 and 4?

Back

The sum of -9 and 4 is -5.

Front

What is the product of two negative integers?

Back

The product of two negative integers is a positive integer. For example, -3 * -4 = 12.

Front

What is the product of a positive integer and a negative integer?

Back

The product of a positive integer and a negative integer is a negative integer. For example, 5 * -3 = -15.

Front

How do you represent a loss in a mathematical equation?

Back

A loss is represented by a negative integer. For example, losing 5 points can be represented as -5.

Front

What is the change in temperature from 13ºF to -22ºF?

Back

The change in temperature is calculated as 13 - (-22) = 35.