Integer Rules

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

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 -5 is 5.

Front

What is the sum of two negative integers?

Back

The sum of two negative integers is always negative. For example, -3 + -2 = -5.

Front

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

Back

The sum depends on the absolute values of the integers. If the positive integer is larger, the result is positive; if the negative integer is larger, the result is negative.

Front

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

Back

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

Front

What is the rule for adding integers with different signs?

Back

When adding integers with different signs, subtract their absolute values and take the sign of the integer with the larger absolute value.

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 phrase we use to help us subtract integers?

Back

Keep, Change, Switch.

Front

What is the product of two negative integers?

Back

The product of two negative integers is positive. For example, -2 * -3 = 6.

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 negative. For example, 4 * -2 = -8.