Understanding Positive and Negative Numbers

Front

What is a positive number?

Back

A positive number is a number greater than zero, located to the right of zero on a number line.

Front

What is a negative number?

Back

A negative number is a number less than zero, located to the left of zero on a number line.

Front

On a number line, which number is greater: -2 or 4?

Back

4 is greater than -2 because it is to the right of -2 on the number line.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero but in the opposite direction on the number line.

Front

What is the opposite of -5?

Back

The opposite of -5 is 5.

Front

If you have a balance of -50 dollars and deposit 50 dollars, what is your new balance?

Back

Your new balance is 0 dollars.

Front

Which is greater: -18 or -19?

Back

-18 is greater than -19.

Front

What does it mean for a number to be to the left of another number on a number line?

Back

A number to the left of another number is smaller than that number.

Front

What does it mean for a number to be to the right of another number on a number line?

Back

A number to the right of another number is greater than that number.

Front

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

Back

The result depends on the absolute values; if the positive number is greater, the result is positive; if the negative number is greater, the result is negative.