Classifying Real Numbers

Front

What are real numbers?

Back

Real numbers include all the numbers on the number line, including rational numbers (like integers and fractions) and irrational numbers (like √2 and π).

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

Is 2 a natural number?

Back

True

Front

Is ½ a terminating decimal or a repeating decimal?

Back

Terminating decimal

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What is a whole number?

Back

Whole numbers are non-negative integers, including zero (0, 1, 2, 3, ...).

Front

What is an example of an irrational number?

Back

An example of an irrational number is π (pi) or √3.