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? Why or why not?

Back

No, because integers do not have decimals.

Front

Classify the number -12.

Back

Real, Rational, Integer.

Front

Why is -4 not a whole number?

Back

It's negative and whole numbers are positive.

Front

Which of the following is an irrational number: 2.5, 5.72314....., -17, 1/2?

Back

5.72314.....

Front

Which word does NOT describe the number 5?

Back

Irrational.