Rational and Irrational Numbers and Square and Cube Roots

The √21 is between which two integers?

• 5 and 6

• 20 and 22

• 4 and 5

• 10 and 11

The √40 is between which two integers?

• 39 and 41

• 6 and 7

• 5 and 6

• 19 and 21

Estimate the square root.

• 3

• 4

• 5

• 6

In between what two integers is the square root of 44?

• 3 and 4

• 4 and 5

• 5 and 6

• 6 and 7

• Rational because it is an even number

• Rational because it is a perfect square

• Irrational because it has a square root symbol

• Irrational because it is not a perfect square

Find the cube root.

• 9/12

• 3/4

• 4/8

• 5/4

• 2/6

Solve ∛729

• 6

• 7

• 8

• 9

• Rational

• Irrational

• It CAN be written as a fraction.

• It CAN NOT be written as a fraction.

Is the number rational or irrational? 

• Rational

• Irrational