Rational Numbers

Front

What are rational numbers?

Back

Rational numbers are numbers 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, but do not include fractions or decimals.

Front

What are whole numbers?

Back

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

Front

What are natural numbers?

Back

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

Front

Can a number be both rational and integer? Give an example.

Back

Yes, for example, the number 5 is both a rational number (5/1) and an integer.

Front

What type of number is -14?

Back

-14 is an integer and a rational number, but it is not a whole number.

Front

What is the relationship between rational and irrational numbers?

Back

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

Front

What is a Venn diagram?

Back

A Venn diagram is a visual representation that shows the relationships between different sets, often used to illustrate the relationships between rational and irrational numbers.

Front

What is an example of an irrational number?

Back

An example of an irrational number is √2 or π (pi).

Front

How can you identify a rational number?

Back

A rational number can be identified if it can be written as a fraction where both the numerator and denominator are integers.