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Irrational Numbers Worksheet

Explore and identify irrational numbers, differentiate them from rational numbers, and approximate their values on a number line.

Grade 9 Math Number SenseIrrational Numbers
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Includes

Multiple ChoiceTrue / FalseFill in the BlanksShort AnswerCustomWord Bank

Standards

CCSS.MATH.CONTENT.8.NS.A.1CCSS.MATH.CONTENT.8.NS.A.2

Topics

mathirrational numbersnumber sensegrade 9
8 sections · Free to use · Printable
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Irrational Numbers Exploration

Name:

Date:

Score:

Read each question carefully and answer to the best of your ability. Show all your work for short answer questions.

1. Which of the following is an irrational number?

a

0.333...

b

√9

c

π

d

2/5

2. The square root of which number is irrational?

a

16

b

49

c

12

d

100

1. All irrational numbers are also real numbers.

T

True

F

False

2. The product of two irrational numbers is always irrational.

T

True

F

False

1. An irrational number is a real number that cannot be expressed as a simple  .

2. The decimal representation of an irrational number is non-terminating and non- .

1. Explain the difference between a rational and an irrational number, providing an example for each.

1. Approximate the location of √2 on the number line below. Mark and label your approximation.

012345

Use the words below to complete the sentences.

rational
irrational
terminating
non-repeating

1. The number 0.75 is a   number because its decimal representation is  .

2. Pi (π) is an example of an   number because its decimal representation is non-terminating and  .