Irrational Numbers Understanding

What is a rational number?

• A number that cannot be expressed as a fraction

• A number that can be expressed as a fraction

• A number that is always positive

• A number that is always negative

Tags

CCSS.5.NBT.A.2

Which of the following is a rational number?

• √2

• π

• 3.14

• √9

What is an irrational number?

• A number that cannot be expressed as a fraction

• A number that can be expressed as a fraction

• A number that is always positive

• A number that is always negative

Tags

CCSS.8.NS.A.1

Which of the following is an irrational number?

• 0.5

• 0.333...

• √7

• 1.2345

Tags

CCSS.8.NS.A.1

The decimal representation of a rational number is either:

• Terminating or repeating

• Non-terminating and non-repeating

• Always positive

• Always negative

Tags

CCSS.8.NS.A.1

CCSS.7.NS.A.2D

The decimal representation of an irrational number is:

• Terminating or repeating

• Non-terminating and non-repeating

• Always positive

• Always negative

Tags

CCSS.8.NS.A.1

Which of the following is a rational number?

• √16

• √17

• √18

• √19

Which of the following is an irrational number?

• 22/7

• 1.414...

• 3.14159...

• 0.666...

Tags

CCSS.8.NS.A.1

The square root of a non-perfect square is:

• A rational number

• An irrational number

• Always positive

• Always negative

Tags

CCSS.HSN.RN.B.3

The sum of a rational number and an irrational number is:

• Always rational

• Always irrational

• Can be either rational or irrational

• Cannot be determined

Tags

CCSS.HSN.RN.B.3