Real Number System Review

Front

What is a whole number?

Back

A whole number is a non-negative number without fractions or decimals, including zero (0, 1, 2, 3, ...).

Front

Is -10 a whole number?

Back

No, -10 is not a whole number because whole numbers cannot be negative.

Front

What is the difference between whole numbers and natural numbers?

Back

Whole numbers include zero and all positive numbers, while natural numbers include only positive numbers (1, 2, 3, ...).

Front

Classify the number 0.

Back

0 is classified as a whole number, an integer, and a rational number.

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

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction, and its decimal representation is non-repeating and non-terminating.

Front

Is the fraction 1/12 a repeating or terminating decimal?

Back

1/12 is a repeating decimal (0.0833...) because it does not terminate.

Front

Can a number be both rational and irrational?

Back

No, a number cannot be both rational and irrational.

Front

What are integers?

Back

Integers are whole numbers that can be positive, negative, or zero (e.g., -3, -2, -1, 0, 1, 2, 3).

Front

What is a terminating decimal?

Back

A terminating decimal is a decimal that has a finite number of digits after the decimal point (e.g., 0.5, 2.75).