Classifying Real Numbers

Front

What is a real number?

Back

A real number is any number that can be found on the number line, including both rational and irrational numbers.

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

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction or 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; its decimal representation goes on forever without repeating.

Front

Is -5.5 an integer?

Back

No, because integers do not have decimals.

Front

Is 8 a rational number?

Back

Yes, because it can be expressed as 8/1.

Front

Classify the number 6.7.

Back

6.7 is a real number and a rational number.

Front

Which of the following is NOT an integer: -3, 0, 2.5, 5?

Back

2.5 is NOT an integer.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions, while irrational numbers cannot be expressed as fractions.