Integer Operations (models)

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 does it mean to add two negative integers?

Back

Adding two negative integers results in a more negative integer. For example, -6 + (-9) = -15.

Front

What is the result of adding a positive integer to a negative integer?

Back

The result 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

How do you subtract integers?

Back

To subtract an integer, you can add its opposite. For example, to calculate 4 - 5, you can do 4 + (-5) = -1.

Front

What is the rule for multiplying two negative integers?

Back

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

Front

What is the rule for multiplying a positive integer by a negative integer?

Back

The product of a positive integer and a negative integer is a negative integer. For example, 3 * (-4) = -12.

Front

What is the result of dividing two negative integers?

Back

The quotient of two negative integers is a positive integer. For example, (-12) ÷ (-3) = 4.

Front

What is the result of dividing a positive integer by a negative integer?

Back

The quotient of a positive integer and a negative integer is a negative integer. For example, 12 ÷ (-3) = -4.

Front

How can you represent temperature changes using integers?

Back

Temperature changes can be represented using integers, where positive integers indicate increases in temperature and negative integers indicate decreases.

Front

What does the expression -4 + 7 represent?

Back

This expression represents adding 7 to -4, resulting in 3.