Practice :Classifying Real Numbers

Front

All natural numbers are real numbers.

Back

True

Front

Are all integers natural numbers?

Back

False, because 0 and negatives of whole numbers (-1, -2, -3, ...) are NOT natural numbers.

Front

Are all decimals rational numbers?

Back

False, because the decimals that don't repeat and don't end (like pi) are irrational numbers.

Front

Are all whole numbers rational numbers?

Back

True

Front

Some irrational numbers are rational numbers.

Back

False. Irrational numbers are all numbers that can't be expressed as fraction (like pi). Meanwhile, rational numbers are all numbers that can be expressed as fractions.

Front

Are all integers irrational numbers?

Back

False, because integers are rational numbers. Rational numbers can't be irrational numbers.

Front

All irrational numbers are real numbers. (True or False)

Back

True

Front

Did you understand the lesson?

Back

Yes