Practice - Rational/Irrational and Estimating Square Roots

Which of the following numbers is rational?

• .211232112421125. . . .

• π

• √25

• √12

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

Tags

CCSS.8.EE.A.2

CCSS.8.NS.A.1

Select all of the perfect squares below.

• 81

• 121

• 64

• 198

Tags

CCSS.8.EE.A.2

Between which two whole numbers is √5?

• 1 and 2

• 2 and 3

• 3 and 4

• 4 and 5

Which statement is NOT true?

• √169 = 13

• 15² = 225

• 4² = √16

• √324 = 18

Tags

CCSS.6.EE.A.1

CCSS.6.EE.A.4

In between what two integers is √77?

• 5 and 6

• 6 and 7

• 7 and 8

• 8 and 9

The following numbers are displayed below.

√81 and 9

Which value is greater?

• They are equivalent.

• √81 is greater.

• 9 is greater.

• Cannot be determined.

Which number has a square root that is between 7 and 8?

• 48

• 81

• 60

• 36

Point B could represent which of the following numbers?

• √24

• √30

• √35

• √42

Tags

CCSS.8.EE.A.2

CCSS.8.NS.A.2

Round to the nearest tenth: √13.

• 5.6

• 2.6

• 3.9

• 3.6

Tags

CCSS.7.EE.B.3