Approximating Irrational Numbers

The √20 is between which two integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6

Which point most closely corresponds to the √8 on the number line below? (Click the question to see the picture)

• P

• Q

• R

• S

√3  

• rational

• irrational

Estimate the square root.

• 3

• 4

• 5

• 6

What is the approximate value of √12

• 2

• 3.5

• 4.5

• 6

• Point M

• Point N

• Point R

• Point S

HINT: Convert Number to a decimal

• A

• B

• C

• D

HINT: Convert all square root numbers to a decimal.

• A

• B

• C

• D

• A

• B

• C

• D

Ms. Solis says the square root of 88.6 is found between which two numbers on a number line?

• 7 and 8

• 8 and 9

• 9 and 10

• 10 and 11