Real Numbers

Irrational Numbers

• 2.444444.....

• -67.98

• Pi

• a decimal that never ends and never repeats (No pattern)

A ______ decimal has a digit or a group of digits that recur indefinitely.

A _________ decimal has a finite number of digits.

The symbol used to indicate a positive square root

• cube root

• exponent

• radical sign

• base

This set of numbers includes all positive numbers, negative numbers, and zero. It does NOT include fractions or decimals.

• real numbers

• rational numbers

• natural numbers

• integers

12.569843681549... and on and on never ending and never repeating

• Irrational, Real

• Real, Rational, Integer, Whole, Natural

• Integer, Rational, Real

• Natural, Whole, Integer, Rational, Real

√81

• Integer, Rational, Real

• Natural, Whole, Integer, Rational, Real

• Repeating Decimal

• Rational, Real

Which statement about rational numbers is true?

• Only negative numbers are rational numbers.

• Negative integers and fractions are rational numbers.

• All whole numbers are natural numbers.

• All integers are natural numbers.

Label the real numbers chart

Natural Numbers

• counting numbers

• 100, -68, 2, -56

• -8, 0, -5, 5

• a decimal that never ends and never repeats (No pattern)