Integer Operations (all 4)

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 result of adding a positive integer and a negative integer?

Back

The result can be positive, negative, or zero, depending on the values of the integers.

Front

What is the rule for subtracting integers?

Back

To subtract an integer, add its opposite. For example, a - b is the same as a + (-b).

Front

What is the result of -8 - (-7)?

Back

The result is -1, because subtracting a negative is the same as adding a positive.

Front

What does it mean to multiply a negative integer by a positive integer?

Back

The result will always be negative. For example, -5 × 3 = -15.

Front

What is the result of multiplying two negative integers?

Back

The result is positive. For example, -4 × -2 = 8.

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 is represented as -5.

Front

What is the sum of -5 and -9?

Back

The sum is -14, because you add the absolute values and keep the negative sign.

Front

What is the result of 9 + (-22)?

Back

The result is -13, because you subtract 22 from 9.

Front

How do you express a gain in a mathematical equation?

Back

A gain is represented by a positive integer. For example, gaining 7 yards is represented as +7.