8.NS.1 Study Guide: Rational and Irrational Numbers

Which of the following is a rational number?

• √3

• π

• 7/9

• √5

Which number is irrational?

• 0.25

• √4

• 2/3

• √7

Tags

CCSS.8.NS.A.1

Which number is equivalent to a repeating decimal?

• 3/4

• 2.5

• 1.666...

• √16

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Which number is not rational?

• 4.5

• √121

• √2

• 5/6

Which of the following is irrational?

• 3/7

• 7/8

• √49

• √11

Tags

CCSS.8.NS.A.1

Which number below is a terminating decimal?

• 0.125

• 1/3

• 0.333...

• π

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

Select all irrational numbers (There are two answers):

• √10

• 0.333...

• 2pi

• 5.127

• √81

Tags

CCSS.8.NS.A.1

The number 0.121212...

• A. Repeats

• B. Terminates

• C. Is irrational

• D. Is a whole number

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

What type of number is π?

• C. Neither

• A. Rational

• B. Irrational

• D. Integer

√8 as a decimal

• repeats

• terminates

• neither

Tags

CCSS.8.NS.A.1