Practice Flashcard: Subsets of Real Numbers

Front

Integers can be negative, but whole numbers must be positive.

Back

True

Front

Classify the number 0.04769165821735......

Back

Irrational

Front

Classify -5.

Back

Integer and rational

Front

What are the counting numbers (1,2,3..)?

Back

Natural Numbers

Front

What is the smallest category in the real number system?

Back

Natural

Front

Define Rational Numbers.

Back

Numbers that can be expressed as a fraction of two integers.

Front

Define Irrational Numbers.

Back

Numbers that cannot be expressed as a fraction of two integers.

Front

What are Whole Numbers?

Back

Non-negative integers (0, 1, 2, 3, ...).

Front

What are Natural Numbers?

Back

Positive integers (1, 2, 3, ...).

Front

What is the relationship between Integers and Rational Numbers?

Back

All integers are rational numbers because they can be expressed as a fraction with a denominator of 1.