Lesson 2-3 Real Numbers Practice (Vocab.)

Front

What is a rational number?

Back

A rational number is a number that can be written as a fraction, where both the numerator and denominator are integers.

Front

What is an irrational number?

Back

An irrational number is a number that cannot be expressed as a simple fraction; it cannot be written as a ratio of two integers.

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Back

Front

Back

Front

What type of number is 0.5?

Back

Front

What type of number is 0.39683968...?

Back

0.39683968... is a rational number because it can be expressed as a fraction.

Front

What are rational numbers?

Back

Rational numbers include integers, fractions, terminating decimals, and repeating decimals.

Front

What is a repeating decimal?

Back

A repeating decimal is a decimal fraction that eventually repeats the same sequence of digits indefinitely.

Front

Is 0.141414141414... a rational number?

Back

Front

What is a whole number?

Back

Whole numbers are non-negative integers, including 0 (0, 1, 2, 3, ...).