Irrational and Rational Numbers on a Number Line

According to the number line which  letter best represents the location of the number?

• A
• B
• C
• D

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

• P
• Q
• R
• S

• M
• N
• O
• P

Identify the letter that best estimates the following square root on the following number line. 
√156

• d
• b
• c
• e

Identify the letter that best estimates the following square root on the following number line. 
√164

• g
• e
• f
• h

List the following numbers in ascending order (remember, ascending means least to greatest):

-½, -2.8, 2½, 0, -0.05

(Draw a number line on a scratch sheet of paper to help you locate and order the numbers.)

• -2.8, -½, -0.05, 0, 2½
• 2½, 0, -0.05, -½, -2.8
• -0.05, -½, -2.8, 0, 2½
• 0, 0.05, -½, 2½, -2.8

Between what two consecutive integers is the irrational number located?

• -5 and -7
• -5 and -6
• -25 and -36

Between what two consecutive integers is the irrational number located?

• 2 and 4
• 9 and 16
• 2 and 3
• 8 and 27

Find the best estimate for √18 .
Look at the number line.

• 4.2
• 4.4
• 5.1
• 4

Where does the following belong on the number line?  √22

• A
• B
• C
• D