Classifying Rational Numbers & Operations

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What are natural numbers?

Back

Natural numbers are the set of positive integers starting from 1, 2, 3, and so on.

Front

What are whole numbers?

Back

Whole numbers are the set of non-negative integers, including zero: 0, 1, 2, 3, ...

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero: ..., -3, -2, -1, 0, 1, 2, 3, ...

Front

What is the classification of -4?

Back

-4 is classified as an integer.

Front

Is 40.111... an integer?

Back

No, 40.111... is not an integer because it has a decimal part.

Front

Back

Front

What is cross simplification in fractions?

Back

Cross simplification is the process of reducing fractions by canceling out common factors in the numerator of one fraction and the denominator of another.

Front

Is 2 a natural number?

Back

Yes, 2 is a natural 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 and have non-repeating, non-terminating decimal expansions.