Rational vs Irrational

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

Give an example of a rational number.

Back

Front

Give an example of an irrational number.

Back

Front

What are whole numbers?

Back

Whole numbers are non-negative integers, including zero: {0, 1, 2, 3, ...}.

Front

What is the difference between integers and whole numbers?

Back

Integers include all whole numbers and their negative counterparts: {..., -3, -2, -1, 0, 1, 2, 3, ...}. Whole numbers do not include negative numbers.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the square of an integer, such as 0, 1, 4, 9, 16, etc.

Front

What is a perfect cube?

Back

A perfect cube is a number that can be expressed as the cube of an integer, such as 0, 1, 8, 27, 64, etc.

Front

What is a repeating decimal?

Back

A repeating decimal is a decimal fraction that eventually repeats the same sequence of digits, such as 0.333... or 1.666... .

Front

What is a non-repeating decimal?

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