Rational & Irrational Numbers

Which of the following is an irrational number?

• 0.333

• $\sqrt{8}$

• $\sqrt{49}$

• $\frac{5}{22}$

Tags

CCSS.8.EE.A.2

CCSS.8.NS.A.1

Identify the rational numbers.

• $\sqrt{4}$

• $\pi$

• $3.5$

• $\sqrt{2}$

• $\frac{2}{3}$

Tags

CCSS.8.NS.A.1

A rational number can be written as a fraction.

• true

• false

A terminating decimal is a decimal that...

• never ends.

• repeats numbers in a pattern.

• ends.

• never ends and never repeats.

Tags

CCSS.8.NS.A.1

All whole numbers are rational numbers.

• True

• False

Tags

CCSS.8.NS.A.1

 0.181818181818181818......is

• Rational

• Irrational

• Terminating Decimal

• Repeating Decimal

Tags

CCSS.8.NS.A.1

Is 3.74 a rational number?

• yes
• no

Tags

CCSS.8.NS.A.1

A REPEATING decimal is what type of number?

• Rational 
• Irrational

Tags

CCSS.8.NS.A.1

The square root of 2 is an irrational number because...

• all square roots are irrational

• the answer is a decimal that never stops and never repeats

• two is an even number

• the decimal never repeats

• the decimal never stops

Tags

CCSS.HSN.RN.B.3

Which expressions represent irrational numbers?

• $\sqrt{50}$

•  $\left(\sqrt{36}\right)\ \left(\frac{1}{2}\right)^4$ 

•  $\left(\sqrt{169}\right)+\left(\sqrt{16}\right)$ 

•  $\left(\sqrt{225}\right)^3$ 

•  $\left(4\right)\ \left(\sqrt{0.25}\right)^2$  

Tags

CCSS.HSN.RN.B.3