The Real Number System

Front

Classify the number: 0

Back

whole, integer, rational, real

Front

Classify the number: 17/4

Back

rational, real

Front

Rational numbers are __________ integers.

Back

sometimes

Front

The √189 is between which two consecutive integers?

Back

13 and 14

Front

The √30 is between which two consecutive integers?

Back

5 and 6

Front

What are natural numbers?

Back

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

Front

What are whole numbers?

Back

Whole numbers are the set of non-negative integers (0, 1, 2, 3, ...).

Front

What are integers?

Back

Integers are the set of whole numbers and their negative counterparts (..., -3, -2, -1, 0, 1, 2, 3, ...).

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as a fraction of two integers, where the denominator is not zero.

Front

What are irrational numbers?

Back

Irrational numbers are numbers that cannot be expressed as a fraction of two integers, such as √2 or π.