Positive and Negative Numbers

Front

What is a positive number?

Back

A positive number is a number greater than zero, such as 1, 2, 3, etc.

Front

What is a negative number?

Back

A negative number is a number less than zero, such as -1, -2, -3, etc.

Front

How do you identify the smaller number between -3.2 and -3.1?

Back

-3.2 is smaller than -3.1 because it is further to the left 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. For example, the opposite of 5 is -5.

Front

What is the opposite of the opposite of a number?

Back

The opposite of the opposite of a number is the original number itself. For example, the opposite of -7 is 7, and the opposite of 7 is -7.

Front

Which is greater: -18 or -19?

Back

-18 is greater than -19 because it is closer to zero.

Front

Which is greater: -12 or 3?

Back

3 is greater than -12 because it is a positive number.

Front

How do you plot -(-2) on a number line?

Back

-(-2) equals 2, so you would plot 2 on the number line.

Front

What is the value of the opposite of -1?

Back

The opposite of -1 is 1.

Front

How do you plot -(-5) on a number line?

Back

-(-5) equals 5, so you would plot 5 on the number line.