Rational & Irrational Numbers

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a fraction.
• A rational number cannot be a repeating  decimal.

Tags

CCSS.5.NBT.A.2

What type of number is π ?

• Rational
• Irrational

Tags

CCSS.8.NS.A.1

CCSS.8.NS.A.2

The √98 falls between what two numbers on a number line?

• 10 and 11
• 11 and 12
• 9 and 10
• 90 and 100

Tags

CCSS.8.NS.A.2

List the following numbers from least to greatest:
-64 , 3.5 , √27 , 6.666...

• -64 , 3.5 , √27 , 6.666...
• 3.5 , √27 , 6.666..., -64
• 3.5, -64, √27, 6.666...
• 6.666, √27, -64, 3.5

Tags

CCSS.8.NS.A.2

Which of the following is irrational?

• 0.444444444

• -4/5

• π

• 0.2

Tags

CCSS.8.NS.A.1

Approximate the following irrational number to the nearest hundredth without using a calculator.
The square root of 32

• 5.33
• 4.5
• 8
• 5.66

Tags

CCSS.8.NS.A.2

Which of the following is rational?

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

Tags

CCSS.6.NS.C.6

CCSS.6.NS.C.7

Which of the following numbers is rational?

• √8
• √16
• √50
• √75

Tags

CCSS.6.NS.C.6

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Tags

CCSS.8.NS.A.1

Is 19.294153 rational or irrational?

• rational

• irrational