Classifying Rational and Irrational Numbers

Which of the following numbers is irrational?

• √8
• ¾
• 2
• -1.325

Which of the following is rational?

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

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

A fraction that can be written as a ratio of 2 integers with a non-zero denominator is which type of number?

• Rational

• Irrational

Which number is a rational number?

• 2.25
• -8.78654684598.....
• Square root of 99
• 3.14...

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Tags

CCSS.8.NS.A.1

Mr. Cleaves wrote four irrational numbers on the SMART board and asked Saul to choose the number closest to 4. Which irrational number should Saul choose?

• √8
• √17
• √12
• √10

Tags

CCSS.8.NS.A.2

Which number falls between 4.5 and 4.6? 

• 4.05
• 4.61
• 4.58
• 4.50

Tags

CCSS.5.NBT.A.3B

Evaluate √72. Round your answer to the nearest Whole Number. 

• 7.2
• 7
• 8
• 9

Tags

CCSS.8.NS.A.2

A whole number is which type of number?

• Rational 
• Irrational