Lesson 2-3 Real Numbers Practice (Vocab.)

Front

What are Whole Numbers?

Back

Whole numbers are numbers that include zero and all positive integers (0, 1, 2, 3, ...).

Front

What type of number is a fraction?

Back

A fraction is a rational number.

Front

To which category does the number -3 belong?

Back

-3 is an Integer and a Rational number.

Front

Which of the following is a rational number? 1/4, π, √3, ∛25

Back

1/4 is a rational number.

Front

If a decimal does not repeat with a pattern, is it irrational?

Back

True, such a decimal is considered irrational.

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 are Integers?

Back

Integers are whole numbers that can be positive, negative, or zero (-2, -1, 0, 1, 2, ...).

Front

What is an Irrational Number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; its decimal form is non-repeating and non-terminating.

Front

Give an example of a rational number.

Back

1/2 is an example of a rational number.

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.