Positive & Negative Numbers

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What is a positive number?

Back

A positive number is a number greater than zero. Examples include 1, 2.5, and 100.

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What is a negative number?

Back

A negative number is a number less than zero. Examples include -1, -2.5, and -100.

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What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero on the number line but in the opposite direction. For example, the opposite of 3 is -3.

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What is the opposite of -5?

Back

The opposite of -5 is 5.

Front

How do you find the opposite of a decimal number?

Back

To find the opposite of a decimal number, simply change its sign. For example, the opposite of -2.75 is 2.75.

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Front

What does it mean for a number to be greater than another number?

Back

A number is greater than another number if it is to the right of that number on the number line. For example, 3 is greater than 2.

Front

What does it mean for a number to be less than another number?

Back

A number is less than another number if it is to the left of that number on the number line. For example, -1 is less than 0.

Front

What is the value of the opposite of the opposite of 16.4?

Back

The value of the opposite of the opposite of 16.4 is 16.4.