1.1 Rational and Irrational Numbers

Identify the rational numbers.

• $\sqrt{4}$

• $\pi$

• $3.5$

• $\sqrt{2}$

• $\frac{2}{3}$

A rational number can be written as a fraction.

• true

• false

A terminating decimal is a decimal that...

• Never ends

• repeats a pattern

• ends

• never ends and never repeats

Perfect Squares are irrational

• True

• False

All whole numbers are rational numbers.

• True

• False

The numbers 0, 1, 2, 3, ... are called

• whole numbers
• integers
• rational numbers
• natural numbers

Numbers like -3, -2, -1, 0, 1, 2, 3 are called

• whole numbers
• integers
• rational numbers
• natural numbers

-10 is a whole number

• True
• False

Select ALL numbers that are irrational.

• 10

• -21

• $\pi$

• $\frac{10}{2}$

• $\sqrt{10}$