Rational Numbers

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction or ratio of two integers, where the denominator is not zero.

Front

Are all whole numbers integers?

Back

True

Front

Which number is NOT a rational number: -25.25, -16, -7.5, 14/3?

Back

-16

Front

What is a natural number?

Back

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

Front

Which number is classified as a natural number but not a whole number: 3, -3, 0, 3/2?

Back

3/2 is classified as a natural number but not a whole number.

Front

What is the classification of -7?

Back

-7 is classified as an integer.

Front

What is the relationship between integers and rational numbers?

Back

Every integer is also a rational number because it can be expressed as a fraction with a denominator of 1.

Front

What is a whole number?

Back

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

Front

Can a rational number be a decimal?

Back

Yes, rational numbers can be expressed as terminating or repeating decimals.

Front

Is 0 a rational number?

Back

Yes, 0 is a rational number because it can be expressed as 0/1.