Classify Real Numbers

Front

Repeating decimals are _____ numbers.

Back

rational

Front

Rational numbers include any number that can be written as a ratio (or _______).

Back

fraction

Front

Which set of real numbers below does not contain a rational number?

Back

B

Front

What is a rational number?

Back

A number that can be expressed as a fraction a/b, where a and b are integers and b ≠ 0.

Front

What is an irrational number?

Back

A number that cannot be expressed as a simple fraction; its decimal form is non-repeating and non-terminating.

Front

Give an example of a rational number.

Back

1/2 or 0.75 or -3.

Front

Give an example of an irrational number.

Back

√2 or π.

Front

What is the set of natural numbers?

Back

The set of positive integers: {1, 2, 3, ...}.

Front

What is the set of whole numbers?

Back

The set of natural numbers including zero: {0, 1, 2, 3, ...}.

Front

What is the set of integers?

Back

The set of whole numbers and their negative counterparts: {..., -3, -2, -1, 0, 1, 2, 3, ...}.