Squares of numbers from 1 to 30
For making your calculation faster you must remember the squares of numbers from 1 to 30. Here is a collection of squares which could be easily remembered.
Sq. 1 = 1 Sq. 2 = 4
Sq. 3 = 9 Sq. 4 = 16
Sq. 5 = 25 Sq. 6 = 36
Sq. 7 = 49 Sq. 8 = 64
Sq. 9 = 81 Sq. 10 = 100
Sq. 11 = 121 Sq. 12 = 144
Sq. 13 = 169 Sq. 14 = 196
Sq. 15 = 225 Sq. 16 = 256
Sq. 17 = 289 Sq. 18 = 324
Sq. 19 = 361 Sq. 20 = 400
Sq. 21 = 441 Sq. 22 = 484
Sq. 23 = 529 Sq. 24 =576
Sq. 25 = 625 Sq. 26 = 676
Sq. 27 = 729 Sq. 28 = 784
Sq. 29 = 841 Sq. 30 = 900.
