FORM 1 MATHS

1. 15.3.2021
Chapter 3
Squares, square roots,
cubes and cube roots
01
02
03

2. 3.1 Squares and Square Roots
01
02
03

3. Perfect Squares
01
02
03

5. Determine whether each of the following is a perfect square
or not by completing the prime factoristion method.
Example 1:
01
02
03
) 121 (b) 196
121 196
7
7

6. Determine whether each of the following is a perfect square
or not by completing the prime factoristion method.
Example 1:
01
02
03
0 (d) 225
90
3
3
225
5
5
5

7. Circle the perfect squares in the table below.
Example 2
2 25 70 50 36 144 252
4 8 100 169 45 30 225
20 64 33 172 121 48 289
16 256 63 49 6 1 196

8. Example 3
List the following perfect squares.
(a) Between 99 and 199 (b) Between 40 and 90
(c) Between 130 and 180 (d) Between 200 and 400

9. Example 4
Calculate the value of each of the following without using a
calculator
(a) 242 (b) (−6)2
(c)
2
9
2
(d) −
3
11
2

10. Example 5:
Solve each of the following.
(a) Given 7 × 7 = 49, find 49. (b) Given 212
= 441, find 441.
(c) Given 182
= 324, find 324. (d) Given 121 = 11, find 112
.

11. Example 6:
Evaluate each of the following using a calculator.
(a) −6.1 2
(b) −3.92
(c) 2.52
(d) −
9
23
2
(e) 2
4
5
2
(f) 23.4 2

12. Example 7:
Complete each of the following without using a calculator.
(a) 25
= ×
=
(b) 169
= ×
=
(c) 0.16
= ×
=
(d)
4
49
= ×
=

13. Example 6:
Complete each of the following without using a calculator.
(e)
18
32
=
=
=
(f)
9
25
= ×
=