Real Number System

Front

What is the Real Number System?

Back

The Real Number System includes all the numbers that can be found on the number line, including rational and irrational numbers.

Front

Define Rational Numbers.

Back

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

Tags

CCSS.5.NBT.A.2

Front

What are Irrational Numbers?

Back

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

Tags

CCSS.8.NS.A.1

Front

What are 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 all natural numbers including zero (0, 1, 2, 3, ...).

Front

What are Integers?

Back

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

Front

Is -14 a Natural Number?

Back

No, -14 is not a natural number; natural numbers are always positive.

Tags

CCSS.6.NS.C.6A

Front

Classify the number 17/10.

Back

17/10 is a rational number.

Front

What type of number is 3?

Back

3 is a natural number, whole number, integer, rational number, and real number.

Front

True or False: Every rational number is an integer.

Back

False. Not every rational number is an integer; for example, 1/2 is rational but not an integer.