Integers in the Real World

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 opposite of a positive integer?

Back

The opposite of a positive integer is the same number with a negative sign in front of it.

Front

What is the opposite of -5?

Back

5

Front

Which of the following is an integer: 3.14, -2, 0, 7?

Back

-2, 0, and 7 are integers; 3.14 is not.

Front

If you gain $100, how is it represented in integers?

Back

It is represented as +100.

Front

If you lose $50, how is it represented in integers?

Back

It is represented as -50.

Front

What does it mean to be below sea level in terms of integers?

Back

Being below sea level is represented by negative integers.

Front

If a temperature is -10 degrees, what does that indicate?

Back

It indicates that the temperature is 10 degrees below zero.

Front

What is the sum of -3 and 5?

Back

The sum is 2.

Front

What is the difference between 4 and -2?

Back

The difference is 6.