Units 1, 2, & 3 Recap

Is the following number rational or irrational?
.56565656...

• Rational
• Irrational

Is the following number rational or irrational?
√5

• Rational
• Irrational

Is the following number rational or irrational?
√80

• Rational
• Irrational

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

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

Which number is an irrational number?

• 2.5
• 5.72314.....
• -17
• 1/2

The square root of 53 is between which two consecutive numbers?

• 10 and 11
• 5 and 6
• 7 and 8
• 1 and 2

A perfect square is which type of number?

• Rational 
• Irrational

Which is ordered least to greatest?

• 1/4, -3/7, 1/2
• -3/7, 1/2, 1/4
• 1/2, 1/4, -3/7
• -3/7, 1/4, 1/2

The area of a square painting is 81 cm².  What is the side length of the painting?

• 40.5 cm
• 162 cm
• 6,561 cm
• 9 cm

Which set of numbers has only natural numbers?

• 0, 1, 2, 3, 4
• 1, 2, 3, 4, 5
• √1, √2, √3, √4
• √0, √1, √2, √3