integer operations

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 is the result of multiplying two negative integers?

Back

The result is a positive integer. For example, (-2) * (-3) = 6.

Front

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

Back

The result is a negative integer. For example, 4 * (-5) = -20.

Front

What is the product of -4 and 2?

Back

-4 * 2 = -8.

Front

What is the product of 4 and -20?

Back

4 * (-20) = -80.

Front

What is the product of 5, -9, and -2?

Back

5 * (-9) * (-2) = 90.

Front

If Michael starts at the 23rd floor and goes up 14 floors, what floor is he on?

Back

23 + 14 = 37.

Front

If Michael then goes down 7 floors from the 37th floor, what floor does he end up on?

Back

37 - 7 = 30.

Front

What happens to a negative temperature if it drops further?

Back

The temperature becomes more negative. For example, -14°F dropping 7°F becomes -21°F.

Front

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

Back

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