Classifying Real Numbers

Front

What are the sets of numbers that 789 belongs to?

Back

Whole number, integer, rational number, and natural number.

Front

True or false? All whole numbers are integers.

Back

True.

Front

True or false? No positive numbers are integers.

Back

False. All integers greater than zero are positive.

Front

Convert 2 3/4 to a decimal.

Back

2.75

Front

True or False? All rational numbers are whole numbers.

Back

False.

Front

What is a natural number?

Back

A natural number is a positive integer (1, 2, 3, ...).

Front

What is a whole number?

Back

A whole number is a non-negative integer (0, 1, 2, 3, ...).

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero (-2, -1, 0, 1, 2, ...).

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

Give an example of a rational number.

Back

1/2, 0.75, or -3.