rational vs irrational

Which of the following number is rational?

• $\sqrt{127}$

• $\pi$

• $2.5$

• $8.98763...$

Tags

CCSS.8.NS.A.1

Which of the following numbers is irrational?

• $\sqrt{50}$

• $\sqrt{36}$

• $\sqrt{169}$

• $\sqrt{225}$

Tags

CCSS.8.NS.A.1

Determine which of the following examples is irrational.

• A fraction whose denominator is larger than its numerator

• A decimal that never ends but repeats

• A perfect cube root

• A decimal that never ends and never repeats

Tags

CCSS.8.NS.A.1

Which of the following is an irrational number?

• $\sqrt{0}$

• $\sqrt{3}$

• $1\overline{.36}$

• $-0.19$

Tags

CCSS.8.NS.A.1

Which of the following numbers is not rational?

• $-3$

• $2.7$

• $\sqrt{4}$

• $\sqrt{5}$

Tags

CCSS.8.NS.A.1

Which of the following numbers is rational?

• $\sqrt{7}$

• $\frac{2}{3}$

• 3.1456289...

• $\pi$

Tags

CCSS.8.NS.A.1

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Tags

CCSS.8.NS.A.1

Which of the following is rational?

• .211232112421125. . . .
• π
• √25
• √12

Tags

CCSS.8.NS.A.1

CCSS.8.NS.A.2

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

Tags

CCSS.8.EE.A.2

CCSS.8.NS.A.1

Which number is an integer?

• -1/2
• 0.2
• 3/4
• -2