8th Grade Units 1 & 2 Review

• 2   23/100
• 2   23/10
• 2   23/9
• 2   23/99

• 5/6

• 7/8

  
  

• 9/11

• 12/14

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.

What type of number is π ?

• Rational
• Irrational

Rational or Irrational

• Rational
• Irrational
• IDK
• 12

Which number is irrational?

• 9.6
• √45
• 3/8
• 3.4 x 10 ⁵

• 10

• 100

• 200

• 1

17²

(a)  

The √21 is between which two integers?

• 5 and 6

• 20 and 22

• 4 and 5

• 10 and 11

Put in the symbol to make the statement true...
-17.5   _________ -√121

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