Classifying Real Numbers

Front

What is a Rational Number?

Back

A rational number is any number that can be expressed as a ratio 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 is an Integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

What is a Whole Number?

Back

A whole number is a non-negative integer, which includes zero and all positive integers.

Front

Can a rational number be negative?

Back

Yes, a rational number can be positive or negative.

Front

Can a rational number be a decimal?

Back

Yes, a rational number can be expressed as a decimal, either terminating or repeating.

Front

What is a repeating decimal?

Back

A repeating decimal is a decimal fraction that eventually repeats the same sequence of digits indefinitely.

Front

Is 0.333... a rational number?

Back

Yes, 0.333... is a rational number because it can be expressed as the fraction 1/3.

Front

Is -5.5 an integer?

Back

No, -5.5 is not an integer because integers do not have decimal points.

Front

Is 7 a whole number?

Back

Yes, 7 is a whole number because it is a non-negative integer.