NOTE: Answers to all questions are given at the end of this exercise.

**Question No. 1:**

**Find all the perfect squares that are between 50 and 150.**

__Question No. 2:__

**Copy the following numbers and circle those that are perfect squares:**

**8, 16, 18, 25, 33, 49, 50, 72, 81, 100, 1, 125, 144, 200, 169, 111, 225, 400**

__Question No. 3:__

**Replace each box with the correct answer:**

**(a) Given that 8 x 8 = 64, then ****√64 = ****□**

**(b) ****Given that 12 x 12 = 144, ****√144 = ****□**

**(c) Given that 17 x 17 = 289, ****√289 = ****□**

**(d) Given that (3 x 4 x 5) x (3 x 4 x 5) = 3600, then ****√3600 = ****□**

__Question No. 4:__

**Find the square root of each of the following numbers:**

**(a) 36**

**(b) 81**

**(c) 196**

**(d) 256**

**(e) 441**

__Question No. 5:__

**Use a calculator to factorise the following (into prime number) and hence find the sequence root of each of the following numbers:**

**(a) 1156**

**(b) 1296**

**(c) 1764**

**(d) 9801**

**(e) 11025**

**(f) 34596**

__Question No. 6:__

**Replace each box with the correct answer:**

**(a) Given that 11 x 11 x 11 = 1331, then**** ³****√64 =**** ****□**

**(b) Given that 19 x 19 x 19 = 6859,**** ³****√6859 =**** ****□**

**(c) Given that 13 x 13 x 13 = 2197,**** ³****√2197 =**** ****□**

**(d) Given that (3 x 4) (3 x 4) (3 x 4) = 1728, then**** ³****√1728 =**** ****□**

__Question No. 7:__

**Using a calculator, completely factorise each of the following numbers and hence find its cube root:**

**(a) 3375**

**(b) 4096**

**(c) 21952**

**(d) 46656**

**(e) 91125**

**(f) 373248**

__Question No. 8:__

**Find the area of square of side 56 cm.**

__Question No. 9:__

**What is the length of a side of a square whose area is 2304 cm²?**

__Question No. 10:__

**What is the volume of cube of side 11 cm?**

__Question No. 11:__

**Given that the volume of a cube is 2774 cm³, find the length of its edge.**

**Answers**

**(from left to right)**

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