Real Number System

Front

What is the Real Number System?

Back

The Real Number System includes all the numbers that can be found on the number line, including rational and irrational numbers.

Front

Define Rational Numbers.

Back

Rational numbers are numbers that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Front

Define Irrational Numbers.

Back

Irrational numbers are numbers that cannot be expressed as a simple fraction; they have non-repeating, non-terminating decimal expansions.

Front

What are Integers?

Back

Integers are whole numbers that can be positive, negative, or zero, but do not include fractions or decimals.

Front

What are Natural Numbers?

Back

Natural numbers are the set of positive integers starting from 1, 2, 3, and so on.

Front

Is -14 a Natural Number?

Back

No, -14 is not a natural number because natural numbers are only positive.

Front

Where does 0 fit in the Real Number System?

Back

0 is an integer, a rational number, and also a real number.

Front

How many integers are between 7 and 8?

Back

There are 0 integers between 7 and 8.

Front

What is an example of an irrational number?

Back

An example of an irrational number is √2 or π (pi).

Front

Is 0.3̅ (0.333...) a rational number?

Back

Yes, 0.3̅ is a rational number because it can be expressed as the fraction 1/3.