Square roots and cube roots

Grade 8

(www.infate.in)

Practice Set :Square roots and Cube roots

Q1 Find the square root of the following by long division method.

1)0.0064

2)0.0004

3)7.29

4)150.0625

5) 1.69

Q2) Find the cube root of the following

1) -8

2) -64

3) 3375

4)-2274

5) -1

Q3 Find the cube root of the following numbers through estimation

1) 13824

2) 166375

Q4 By which smallest number must 7200 be multiplied to make it a perfect

cube?

Q5 Evaluate