Classify Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and denominator are integers, and the denominator is not zero.

Front

Can a rational number be a whole number?

Back

Yes, whole numbers are also rational numbers because they can be expressed as a fraction with a denominator of 1.

Front

What are whole numbers?

Back

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

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero (e.g., -3, 0, 4).

Front

Is -4 a rational number?

Back

Yes, -4 is a rational number because it can be expressed as -4/1.

Front

Classify the number 0.75.

Back

0.75 is a rational number because it can be expressed as 75/100.

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 (e.g., √2, π).

Front

Are all integers rational numbers?

Back

Yes, all integers are rational numbers because they can be written as a fraction with a denominator of 1.

Front

Classify the number -23.

Back

-23 is a rational number and an integer.

Front

What are natural numbers?

Back

Natural numbers are the set of positive integers starting from 1 (1, 2, 3, ...).