Identifying Irrational Numbers

What is the definition of an irrational number?

• A number that can be expressed as a fraction or a ratio of two integers.

• A complex number with a non-zero imaginary part.

• A number that is not a whole number or a fraction.

• A real number that cannot be expressed as a fraction or a ratio of two integers.

Tags

CCSS.8.NS.A.1

Which of the following numbers is an example of an irrational number? a) 2 b) 3.14... c) 1/2 d) 0.5

• 3.14...

• 0.5

• 2

• 1/2

Tags

CCSS.8.NS.A.1

True or False: Irrational numbers can be expressed as fractions.

• True

• Sometimes

• False

• Only in certain cases

Tags

CCSS.8.NS.A.1

What is the square root of 9?

• 4

• 5

• 6

• 3

Tags

CCSS.6.EE.A.1

Which of the following numbers is an irrational number? a) 0.25 b) 0.323223222... c) 0.5 d) 0.75

• b) 0.323223222...

• c) 0.5

• a) 0.25

• d) 0.75

Tags

CCSS.8.NS.A.1

True or False: Irrational numbers can be written as terminating decimals.

• True

• Sometimes

• Only for certain irrational numbers

• False

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Which property do irrational numbers possess? a) Associative property b) Commutative property c) Distributive property d) None of the above

• a) Reflexive property

• b) Symmetric property

• c) Transitive property

• d) None of the above

Tags

CCSS.7.NS.A.2C

Is the √2 an irrational number?

• Yes

• No

Tags

CCSS.8.NS.A.1

Which of the following numbers is an irrational number? a) 1.5 b) 2.5 c) 3.5 d) 4.5

• None

• c) 3.142

• b) 2.236

• a) 1.732

Tags

CCSS.8.NS.A.1

Identify non-perfect square roots.

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Tags

CCSS.8.NS.A.1