Classifying Real Numbers Review

Front

Which of the following is a whole number? -2, -10, 10, -1

Back

10 is a whole number.

Front

What is a rational number?

Back

A rational number is a number that can be written as a fraction.

Front

Which word does NOT describe 5? Whole, Integer, Rational, Irrational

Back

Irrational does NOT describe 5.

Front

Is 0.8 a rational number? True or False?

Back

True, 0.8 is a rational number.

Front

Is 2 a natural number? True or False?

Back

True, 2 is a natural number.

Front

What are natural numbers?

Back

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

Front

What is the difference between whole numbers and integers?

Back

Whole numbers include all natural numbers and zero; integers include all whole numbers and their negative counterparts.

Front

Is -3 a rational number? True or False?

Back

True, -3 is a rational number because it can be expressed as -3/1.

Front

What is an irrational number?

Back

An irrational number cannot be expressed as a fraction of two integers.

Front

Give an example of a rational number.

Back

An example of a rational number is 1/2.