Classifying Numbers

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

Can a rational number be a whole number?

Back

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

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but cannot be a fraction or decimal.

Front

Is -3.5 an integer?

Back

No, -3.5 is not an integer because it is a decimal.

Front

What is the best classification for the number -4?

Back

The best classification for -4 is 'integer'.

Front

What is the best classification for the number 0?

Back

The best classification for 0 is 'integer'.

Front

Is 0 a rational number?

Back

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

Front

What is an example of a positive integer?

Back

An example of a positive integer is 5.

Front

What is the difference between rational and irrational numbers?

Back

Rational numbers can be expressed as fractions of integers, while irrational numbers cannot be expressed as fractions and have non-repeating, non-terminating decimal expansions.

Front

Is 0.35 a rational number?

Back

Yes, 0.35 is a rational number because it can be expressed as 35/100.