Unit 4 - The Real Number System

Front

What is a repeating decimal?

Back

A repeating decimal is a type of rational number that has digits that repeat indefinitely after a certain point.

Front

What type of number is 5.1234...?

Back

5.1234... is an irrational number because it cannot be expressed as a fraction of two integers.

Front

What is an irrational number?

Back

An irrational number is a decimal value that is non-repeating and never ends.

Front

What type of number is 3?

Back

3 is a natural number, whole number, integer, rational number, and a real number.

Front

Are all integers whole numbers?

Back

False. While all whole numbers are integers, not all integers are whole numbers (e.g., -1 is an integer but not a whole number).

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction of two integers.

Front

Give an example of a rational number.

Back

Front

What is the difference between natural numbers and whole numbers?

Back

Natural numbers are positive integers starting from 1, while whole numbers include all natural numbers and 0.

Front

What is a real number?

Back

A real number includes all rational and irrational numbers.

Front

Is -4 a rational number?

Back