Classify numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

Front

What are natural numbers?

Back

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

Front

What are whole numbers?

Back

Whole numbers are the set of natural numbers including zero: 0, 1, 2, 3, and so on.

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero, such as -2, -1, 0, 1, 2.

Front

What is the relationship between rational and real numbers?

Back

All rational numbers are real numbers, but not all real numbers are rational.

Front

Is 0 a natural number?

Back

No, 0 is not considered a natural number; it is a whole number.

Front

Classify the number -5. What types of numbers does it belong to?

Back

-5 is an integer, a rational number, and a real number.

Front

Is every integer a rational number?

Back

Yes, every integer can be expressed as a fraction with a denominator of 1, making it a rational number.

Front

What is the decimal representation of a rational number?

Back

The decimal representation of a rational number either terminates (ends) or repeats.