Mod 5 Review

• 2/3
• -2/3
• 3/5
• -3/5

• 24/99
• 2   4/9
• 2   2/5
• 6/25

Irrational Numbers....

• cannot be represented as a simple fraction
• can be represented as a fraction
• can be a repeating decimal

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 ratio.
• A rational number cannot be a repeating  decimal.

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

which number is a rational number ?

• 1/4
• π
• √3

In between what two integers is the square root of 77?

• 5 and 6
• 6 and 7
• 7 and 8
• 8 and 9

Level 2: Which number has a square root that is between 5 and 6?

• 48

• 81

• 28

• 36

Level 2

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

√156

• d

• b

• c

• e

Level 2

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

√490

• e

• f

• g

• h