Estimation and Approximation

Which of the following numbers is irrational?

• √2

• ¾
• 2
• -1.325

Which of the following is rational?

• .211232112421125. . . .
• π
• √4

• √12

Write 0.35 as a fraction in simplest form.

• 35/100
• 3.5/10
• 7/20
• 3/10

• 1/2
• 1/10
• 1/100
• 1/9

Between which roots is the cube root of 100?

• 9 and 10
• 8 and 9
• 4 and 5
• 5 and 6

Which of the following is both a square and a cube?

• 9
• 12
• 64
• 1000

A repeating decimal has to have all numbers repeating?

• True 
• False

Convert 0.444... to a fraction.

• 4/10
• 4.4/99
• 4/9
• 2/5

Which of the following is a cube?

• 8
• 16
• 32
• 81

-0.775 is a

• Irrational Number

• Whole Number

• Integer

• Rational Number