The Real Number System

Front

Classify the number: 0

Back

whole, integer, rational, real

Front

What is true about irrational numbers?

Back

They are non-repeating decimals.

Front

Classify the number: -23

Back

integer, rational, real

Front

Is √2 Irrational?

Back

Yes

Front

Based on the chart, how many subsets are within the integers set?

Back

2

Front

Define natural numbers.

Back

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

Front

Define whole numbers.

Back

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

Front

Define 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 (a/b where b ≠ 0).

Front

What are irrational numbers?

Back

Irrational numbers cannot be expressed as a simple fraction; they have non-repeating, non-terminating decimal expansions.