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 are integers?

Back

Integers are whole numbers that can be positive, negative, or zero, but do not include fractions or decimals.

Front

Is -5.5 an integer?

Back

No, because integers do not have decimals.

Front

What is a whole number?

Back

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

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 irrational number?

Back

An irrational number cannot be expressed as a simple fraction; its decimal form goes on forever without repeating.

Front

Which of the following is a whole number: -2, -10, 10, -1?

Back

10.

Front

What is the set of whole numbers?

Back

The set of whole numbers includes all non-negative integers: 0, 1, 2, 3, ...

Front

What is the difference between rational and irrational numbers?

Back

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